------------[ cut here ]------------ workqueue: cannot queue hci_cmd_timeout on wq hci0 WARNING: CPU: 0 PID: 4707 at kernel/workqueue.c:2258 __queue_work+0xd38/0xfb0 kernel/workqueue.c:2256 Modules linked in: CPU: 0 UID: 0 PID: 4707 Comm: klogd Not tainted syzkaller #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:__queue_work+0xd38/0xfb0 kernel/workqueue.c:2256 Code: 42 80 3c 20 00 74 08 4c 89 ef e8 13 73 9d 00 49 8b 75 00 49 81 c7 78 01 00 00 48 c7 c7 20 eb 69 8b 4c 89 fa e8 b9 31 f9 ff 90 <0f> 0b 90 90 e9 1a f5 ff ff e8 4a 25 36 00 90 0f 0b 90 e9 dd fc ff RSP: 0000:ffffc90000007bb0 EFLAGS: 00010046 RAX: 83078bdc6fbdca00 RBX: 0000000000000100 RCX: ffff8880330d4900 RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000002 RBP: 1ffff110089b2138 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffffbfff1bba684 R12: dffffc0000000000 R13: ffff888042728990 R14: 0000000000000008 R15: ffff888044d90978 FS: 00007fb137463c80(0000) GS:ffff88808d72d000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fb1376fe3c8 CR3: 00000000116f2000 CR4: 0000000000352ef0 Call Trace: call_timer_fn+0x17e/0x5f0 kernel/time/timer.c:1748 expire_timers kernel/time/timer.c:1794 [inline] __run_timers kernel/time/timer.c:2373 [inline] __run_timer_base+0x646/0x860 kernel/time/timer.c:2385 run_timer_base kernel/time/timer.c:2394 [inline] run_timer_softirq+0xb7/0x180 kernel/time/timer.c:2404 handle_softirqs+0x286/0x870 kernel/softirq.c:622 do_softirq+0xec/0x180 kernel/softirq.c:523 __local_bh_enable_ip+0x17d/0x1c0 kernel/softirq.c:450 spin_unlock_bh include/linux/spinlock.h:396 [inline] crypto_acomp_unlock_stream_bh include/crypto/internal/acompress.h:200 [inline] scomp_acomp_comp_decomp+0x6ef/0x9e0 crypto/scompress.c:259 crypto_acomp_decompress+0x42f/0xb20 crypto/acompress.c:303 zswap_decompress+0x513/0xab0 mm/zswap.c:968 zswap_load+0x2f1/0x4c0 mm/zswap.c:1628 swap_read_folio+0x681/0x2530 mm/page_io.c:637 swap_cluster_readahead+0x358/0x630 mm/swap_state.c:656 swapin_readahead+0x17d/0xbe0 mm/swap_state.c:826 do_swap_page+0x43b/0x5b20 mm/memory.c:4714 handle_pte_fault mm/memory.c:6198 [inline] __handle_mm_fault+0xe55/0x5400 mm/memory.c:6336 handle_mm_fault+0x40a/0x8e0 mm/memory.c:6505 do_user_addr_fault+0xa7c/0x1380 arch/x86/mm/fault.c:1336 handle_page_fault arch/x86/mm/fault.c:1476 [inline] exc_page_fault+0x82/0x100 arch/x86/mm/fault.c:1532 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:618 RIP: 0033:0x7fb13757ad29 Code: 64 4c 8b 08 e9 08 00 00 00 0f 1f 84 00 00 00 00 00 41 57 41 56 45 31 f6 41 55 45 31 ed 41 54 49 89 fc 89 d7 55 53 48 83 ec 28 <49> 8b 41 08 48 89 74 24 08 44 89 44 24 18 85 c9 0f 85 b9 02 00 00 RSP: 002b:00007ffceb88b6c0 EFLAGS: 00010206 RAX: ffffffffffffff78 RBX: 00007fb1377cd4d3 RCX: 0000000000000000 RDX: 000000000000000a RSI: 00007ffceb88b730 RDI: 000000000000000a RBP: 0000000000000000 R08: 0000000000000001 R09: 00007fb1376fe3c0 R10: 0000000000004000 R11: 0000000000000206 R12: 00007fb1377cd491 R13: 0000000000000000 R14: 0000000000000000 R15: 00007fb1377cd4d4