program: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f00000004c0)={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc-camellia-asm\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f0000000000)="ad56b6c5820fae9d6dcd3292ea54c7beef915d564c90c200", 0x18) r1 = accept4(r0, 0x0, 0x0, 0x0) sendmmsg$alg(r1, &(0x7f0000000400)=[{0x0, 0x0, &(0x7f00000002c0)=[{&(0x7f0000000080)="f78d9ca38fff48f3be521634", 0xc}], 0x1, &(0x7f0000000380)=[@op={0x18}], 0x18}], 0x1, 0x0) recvmsg(r1, &(0x7f00000005c0)={0x0, 0x0, &(0x7f00000001c0)=[{&(0x7f00000000c0)=""/70, 0x46}, {&(0x7f0000000200)=""/83, 0x53}], 0x2}, 0x0) r2 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) ioctl$sock_bt_hci(r2, 0x400448cb, 0x0) syz_emit_vhci(&(0x7f0000000040)=ANY=[@ANYBLOB="043e1f1b"], 0x22) syz_emit_vhci(&(0x7f0000000040)=ANY=[@ANYBLOB="040e0402030c"], 0x7) syz_emit_vhci(&(0x7f0000000240)=ANY=[@ANYBLOB="043e"], 0xe) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r1, 0x84, 0x6e, &(0x7f0000000600)=[@in6={0xa, 0x4e24, 0x5, @local, 0x2}, @in6={0xa, 0x4e21, 0x6, @private1, 0x8}, @in6={0xa, 0x4e24, 0x4, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02', 0x10000}, @in6={0xa, 0x4e21, 0x0, @mcast2, 0x7fff}, @in6={0xa, 0x4e23, 0x40, @ipv4={'\x00', '\xff\xff', @private=0xa010101}, 0x6}, @in={0x2, 0x4e20, @private=0xa010100}, @in={0x2, 0x4e23, @dev={0xac, 0x14, 0x14, 0x36}}], 0xac) [ 100.755026][ T4650] Bluetooth: hci0: command tx timeout [ 100.817440][ T5328] ------------[ cut here ]------------ [ 100.819789][ T5328] workqueue: cannot queue hci_rx_work on wq hci0 [ 100.823120][ T5328] WARNING: kernel/workqueue.c:2298 at __queue_work+0xd1f/0xfc0, CPU#0: syz.0.0/5328 [ 100.827914][ T5328] Modules linked in: [ 100.829950][ T5328] CPU: 0 UID: 0 PID: 5328 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 100.834649][ T5328] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 100.839943][ T5328] RIP: 0010:__queue_work+0xd4a/0xfc0 [ 100.843232][ T5328] Code: 83 c5 18 4c 89 e8 48 c1 e8 03 42 80 3c 20 00 74 08 4c 89 ef e8 57 5c a5 00 49 8b 75 00 49 81 c7 70 01 00 00 4c 89 f7 4c 89 fa <67> 48 0f b9 3a 48 83 c4 58 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc [ 100.852360][ T5328] RSP: 0018:ffffc900068a7b20 EFLAGS: 00010082 [ 100.855412][ T5328] RAX: 1ffff11002519178 RBX: 0000000000000008 RCX: 0000000000100000 [ 100.859332][ T5328] RDX: ffff88804443c170 RSI: ffffffff8a9ddad0 RDI: ffffffff9033d930 [ 100.863100][ T5328] RBP: 0000000000000000 R08: ffff8880128c8baf R09: 1ffff11002519175 [ 100.866795][ T5328] R10: dffffc0000000000 R11: ffffed1002519176 R12: dffffc0000000000 [ 100.870389][ T5328] R13: ffff8880128c8bc0 R14: ffffffff9033d930 R15: ffff88804443c170 [ 100.873691][ T5328] FS: 00007f3f48d0e6c0(0000) GS:ffff88808c881000(0000) knlGS:0000000000000000 [ 100.877642][ T5328] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 100.880816][ T5328] CR2: 00007f3f48011288 CR3: 000000000bb4e000 CR4: 0000000000352ef0 [ 100.884698][ T5328] Call Trace: [ 100.886353][ T5328] [ 100.887850][ T5328] ? ktime_get_with_offset+0x93/0x2d0 [ 100.890533][ T5328] ? rcu_is_watching+0x15/0xb0 [ 100.892765][ T5328] queue_work_on+0x106/0x1d0 [ 100.894884][ T5328] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 100.897434][ T5328] hci_recv_frame+0x625/0x7c0 [ 100.899753][ T5328] ? skb_pull+0xc1/0x1d0 [ 100.901801][ T5328] vhci_write+0x358/0x4a0 [ 100.903801][ T5328] vfs_write+0x61d/0xb90 [ 100.905834][ T5328] ? __pfx_vfs_write+0x10/0x10 [ 100.907987][ T5328] ? __fget_files+0x2a/0x420 [ 100.910143][ T5328] ksys_write+0x150/0x270 [ 100.912109][ T5328] ? __pfx_ksys_write+0x10/0x10 [ 100.914210][ T5328] ? __pfx_kcov_ioctl+0x10/0x10 [ 100.916284][ T5328] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 100.918827][ T5328] do_syscall_64+0x15f/0xf80 [ 100.920831][ T5328] ? trace_irq_disable+0x3b/0x140 [ 100.923045][ T5328] ? clear_bhb_loop+0x40/0x90 [ 100.925074][ T5328] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 100.927702][ T5328] RIP: 0033:0x7f3f47d5d68e [ 100.929858][ T5328] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 100.938507][ T5328] RSP: 002b:00007f3f48d0df78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 100.942196][ T5328] RAX: ffffffffffffffda RBX: 00007f3f48d0e6c0 RCX: 00007f3f47d5d68e [ 100.945643][ T5328] RDX: 0000000000000022 RSI: 0000200000000040 RDI: 00000000000000ca [ 100.949445][ T5328] RBP: 00007f3f47e32d6f R08: 0000000000000000 R09: 0000000000000000 [ 100.953386][ T5328] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 100.957250][ T5328] R13: 00007f3f48016128 R14: 00007f3f48016090 R15: 00007fff885201e8 [ 100.961190][ T5328] [ 100.962761][ T5328] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 100.966385][ T5328] CPU: 0 UID: 0 PID: 5328 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 100.970664][ T5328] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 100.975372][ T5328] Call Trace: [ 100.976908][ T5328] [ 100.978314][ T5328] vpanic+0x56c/0xa60 [ 100.980359][ T5328] ? __pfx__printk+0x10/0x10 [ 100.982543][ T5328] ? __pfx_vpanic+0x10/0x10 [ 100.984620][ T5328] ? is_bpf_text_address+0x292/0x2b0 [ 100.986945][ T5328] ? is_bpf_text_address+0x26/0x2b0 [ 100.989431][ T5328] panic+0xc5/0xd0 [ 100.991345][ T5328] ? __pfx_panic+0x10/0x10 [ 100.993588][ T5328] __warn+0x315/0x4c0 [ 100.995675][ T5328] ? __queue_work+0xd1f/0xfc0 [ 100.998125][ T5328] ? __queue_work+0xd1f/0xfc0 [ 101.000465][ T5328] __report_bug+0x29a/0x540 [ 101.002819][ T5328] ? __queue_work+0xd1f/0xfc0 [ 101.005198][ T5328] ? __pfx___report_bug+0x10/0x10 [ 101.007687][ T5328] ? __pfx_hci_rx_work+0x10/0x10 [ 101.010386][ T5328] ? do_syscall_64+0x15f/0xf80 [ 101.012889][ T5328] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 101.016010][ T5328] ? __lock_acquire+0x6b5/0x2cf0 [ 101.018558][ T5328] report_bug_entry+0x19a/0x290 [ 101.020923][ T5328] ? __queue_work+0xd4a/0xfc0 [ 101.023200][ T5328] ? __queue_work+0xd4f/0xfc0 [ 101.025453][ T5328] handle_bug+0xce/0x200 [ 101.027577][ T5328] exc_invalid_op+0x1a/0x50 [ 101.029800][ T5328] asm_exc_invalid_op+0x1a/0x20 [ 101.032051][ T5328] RIP: 0010:__queue_work+0xd4a/0xfc0 [ 101.034938][ T5328] Code: 83 c5 18 4c 89 e8 48 c1 e8 03 42 80 3c 20 00 74 08 4c 89 ef e8 57 5c a5 00 49 8b 75 00 49 81 c7 70 01 00 00 4c 89 f7 4c 89 fa <67> 48 0f b9 3a 48 83 c4 58 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc [ 101.044688][ T5328] RSP: 0018:ffffc900068a7b20 EFLAGS: 00010082 [ 101.048141][ T5328] RAX: 1ffff11002519178 RBX: 0000000000000008 RCX: 0000000000100000 [ 101.052146][ T5328] RDX: ffff88804443c170 RSI: ffffffff8a9ddad0 RDI: ffffffff9033d930 [ 101.055749][ T5328] RBP: 0000000000000000 R08: ffff8880128c8baf R09: 1ffff11002519175 [ 101.060294][ T5328] R10: dffffc0000000000 R11: ffffed1002519176 R12: dffffc0000000000 [ 101.064014][ T5328] R13: ffff8880128c8bc0 R14: ffffffff9033d930 R15: ffff88804443c170 [ 101.067463][ T5328] ? __pfx_hci_rx_work+0x10/0x10 [ 101.069943][ T5328] ? ktime_get_with_offset+0x93/0x2d0 [ 101.072593][ T5328] ? rcu_is_watching+0x15/0xb0 [ 101.075156][ T5328] queue_work_on+0x106/0x1d0 [ 101.077416][ T5328] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 101.080425][ T5328] hci_recv_frame+0x625/0x7c0 [ 101.083065][ T5328] ? skb_pull+0xc1/0x1d0 [ 101.084968][ T5328] vhci_write+0x358/0x4a0 [ 101.087107][ T5328] vfs_write+0x61d/0xb90 [ 101.088999][ T5328] ? __pfx_vfs_write+0x10/0x10 [ 101.091412][ T5328] ? __fget_files+0x2a/0x420 [ 101.093663][ T5328] ksys_write+0x150/0x270 [ 101.095723][ T5328] ? __pfx_ksys_write+0x10/0x10 [ 101.097938][ T5328] ? __pfx_kcov_ioctl+0x10/0x10 [ 101.100330][ T5328] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 101.102955][ T5328] do_syscall_64+0x15f/0xf80 [ 101.105034][ T5328] ? trace_irq_disable+0x3b/0x140 [ 101.107271][ T5328] ? clear_bhb_loop+0x40/0x90 [ 101.109580][ T5328] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 101.112286][ T5328] RIP: 0033:0x7f3f47d5d68e [ 101.114436][ T5328] Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08 [ 101.123076][ T5328] RSP: 002b:00007f3f48d0df78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 101.128237][ T5328] RAX: ffffffffffffffda RBX: 00007f3f48d0e6c0 RCX: 00007f3f47d5d68e [ 101.131848][ T5328] RDX: 0000000000000022 RSI: 0000200000000040 RDI: 00000000000000ca [ 101.135249][ T5328] RBP: 00007f3f47e32d6f R08: 0000000000000000 R09: 0000000000000000 [ 101.138725][ T5328] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 101.142342][ T5328] R13: 00007f3f48016128 R14: 00007f3f48016090 R15: 00007fff885201e8 [ 101.146005][ T5328] [ 101.147784][ T5328] Kernel Offset: disabled [ 101.149795][ T5328] Rebooting in 86400 seconds..