------------[ cut here ]------------ workqueue: cannot queue hci_cmd_timeout on wq hci1 WARNING: CPU: 3 PID: 110 at kernel/workqueue.c:2255 __queue_work+0xd03/0x1160 kernel/workqueue.c:2254 Modules linked in: CPU: 3 UID: 0 PID: 110 Comm: kswapd0 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+0xd03/0x1160 kernel/workqueue.c:2254 Code: 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 4b 04 00 00 48 8b 75 18 4c 89 fa 48 c7 c7 a0 03 ac 8b e8 be 1e f7 ff 90 <0f> 0b 90 90 e9 2f f7 ff ff e8 8f 7b 38 00 90 0f 0b 90 e9 b4 f5 ff RSP: 0018:ffffc900006f8c00 EFLAGS: 00010082 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff817a4388 RDX: ffff88802341a440 RSI: ffffffff817a4395 RDI: 0000000000000001 RBP: ffff888037674970 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 1ffff920000df192 R13: 0000000080000101 R14: ffffffff81833490 R15: ffff888056a04978 FS: 0000000000000000(0000) GS:ffff8880d69b3000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000001280 CR3: 0000000118d03000 CR4: 0000000000352ef0 Call Trace: call_timer_fn+0x197/0x620 kernel/time/timer.c:1747 expire_timers kernel/time/timer.c:1793 [inline] __run_timers+0x569/0x960 kernel/time/timer.c:2372 __run_timer_base kernel/time/timer.c:2384 [inline] __run_timer_base kernel/time/timer.c:2376 [inline] run_timer_base+0x114/0x190 kernel/time/timer.c:2393 run_timer_softirq+0x1a/0x40 kernel/time/timer.c:2403 handle_softirqs+0x219/0x8e0 kernel/softirq.c:579 do_softirq kernel/softirq.c:480 [inline] do_softirq+0xb2/0xf0 kernel/softirq.c:467 __local_bh_enable_ip+0x100/0x120 kernel/softirq.c:407 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+0x728/0xd20 crypto/scompress.c:259 crypto_acomp_compress+0x149/0x520 crypto/acompress.c:291 zswap_compress mm/zswap.c:977 [inline] zswap_store_page mm/zswap.c:1492 [inline] zswap_store+0xa94/0x25a0 mm/zswap.c:1601 swap_writeout+0x3b2/0xfe0 mm/page_io.c:275 writeout mm/vmscan.c:669 [inline] pageout mm/vmscan.c:728 [inline] shrink_folio_list+0x3e46/0x4880 mm/vmscan.c:1452 evict_folios+0x79c/0x1b30 mm/vmscan.c:4744 try_to_shrink_lruvec+0x585/0x9b0 mm/vmscan.c:4907 shrink_one+0x3e3/0x7a0 mm/vmscan.c:4952 shrink_many mm/vmscan.c:5015 [inline] lru_gen_shrink_node mm/vmscan.c:5093 [inline] shrink_node+0x26b5/0x3d50 mm/vmscan.c:6078 kswapd_shrink_node mm/vmscan.c:6938 [inline] balance_pgdat+0xbb8/0x1a70 mm/vmscan.c:7121 kswapd+0x590/0xb90 mm/vmscan.c:7386 kthread+0x3c2/0x780 kernel/kthread.c:463 ret_from_fork+0x56a/0x730 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245