program: syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000480)='./file0\x00', 0xc0ed0006, &(0x7f0000000000)={[{@jqfmt_vfsold}, {@resgid={'resgid', 0x3d, 0xee00}}, {@bh}, {@noload}, {@data_err_ignore}, {@usrjquota}]}, 0xfe, 0x444, &(0x7f0000000980)="$eJzs3MtvG8UfAPDv2nHS5y/5lfJoaCFQEBGPpEkf9MAFBBIHkJC4FHEKSVqFpg1qgkSrCAKHcESVuCOOSPwFnOCCgBMSV7ijShXKpYWT0dq7qZvYaZw4del+PtLGM96xZr67O/bsjJ0ACmso/ZNE7IuI3yOiv569vcBQ/eHmyuLk3yuLk0lUq2//ldTK3VhZnMyL5q/bW89Uq1m+r0m9y+9GTMzOTl/K8qMLFz4Ynb985YWZCxPnps9NXxw/ffrE8SO9p8ZPdiTONK4bgx/PHT70+jtX35w8c/W9n79N27sv298YR6cM1Y9uU09XOl1bd+1vSCc9XWwIbSlHRHq6KrX+3x/l2L26rz9e+6yrjQN2VLVarTb7fM4sVYH7WBLdbgHQHfkHfXr/m293aehxT7j+cv0GKI37ZrbV9/REKStTWXN/20lDEXFm6Z+v0i12aB4CAKDR9+n45/lm479SPNRQ7n/ZGspARPw/Ig5ExAMRcTAiHoyolX04Ih5ps/61KyTrxz+la1sKbJPS8d9L2drW7eO/fPQXA+Ust78WfyU5OzM7fSw7JsNR6UvzYxvU8cOrv33Ral/j+C/d0vrzsWDWjms9aybopiYWJrYTc6Prn0YM9jSLP4l8GSeJiEMRMbjFOmae/eZwq313jn8DHVhnqn4d8Uz9/C/FmvhzScv1ybEXT42fHN0Vs9PHRvOrYr1ffl1+q1X924q/A9Lzv6fp9b8a/0CyK2L+8pXztfXa+fbrWP7j85b3NFu7/mdWG9ebPX40sbBwaSyiN3lj/fPjt16b5/PyafzDR5v3/wNx60g8GhHpRXwkIh6LiMeztj8REU9GxNEN4v/plafebz/+DWblOyiNf+pO5z8az3/7ifL5H79rP/5cev5P1FLD2TObef/bbAO3c+wAAADgv6JU+w58UhpZTZdKIyP17/AfjD1LMTe/8NzZuQ8vTtW/Kz8QlVI+09XfMB86ls0N5/nxNfnj2bzxl+XdtfzI5NzsVLeDh4Lb26L/p/4sd7t1wI7zey0oLv0fikv/h+LS/6G49H8ormb9/5MutAO4+3z+Q3Hp/1Bc+j8Ul/4PhdTyt/Glbf3kf7uJpBuVSrSTiNI90Yz7P9Gz6X9mscVEX9Nd3X5nAgAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA6Ix/AwAA//+UFuN0") r0 = open(&(0x7f00000000c0)='.\x00', 0x0, 0x0) getdents(r0, 0x0, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000140)='cpuset.memory_pressure\x00', 0x275a, 0x0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$netlbl_unlabel(&(0x7f0000000340), r2) sendmsg$NLBL_UNLABEL_C_STATICADD(r1, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000080)={0x4c, r3, 0x1, 0x0, 0x0, {}, [@NLBL_UNLABEL_A_IPV4MASK={0x7}, @NLBL_UNLABEL_A_SECCTX={0x13, 0x7, '/sbin/dhclient\x00'}, @NLBL_UNLABEL_A_IPV4ADDR={0x7, 0x4, @multicast2}, @NLBL_UNLABEL_A_IFACE={0x14, 0x6, 'bridge_slave_1\x00'}]}, 0x4c}}, 0x0) r4 = socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nl80211(&(0x7f00000001c0), 0xffffffffffffffff) ioctl$sock_SIOCGIFINDEX_80211(r4, 0x8933, &(0x7f00000000c0)={'wlan0\x00', 0x0}) sendmsg$NL80211_CMD_SET_INTERFACE(r4, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000180)={0x24, r5, 0x5, 0x70bd26, 0x0, {{}, {@val={0x8, 0x3, r6}, @void}}, [@NL80211_ATTR_IFTYPE={0x8, 0x5, 0x9}]}, 0x24}}, 0x0) r7 = socket$nl_generic(0x10, 0x3, 0x10) r8 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000040), 0xffffffffffffffff) r9 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCGIFINDEX_80211(r9, 0x8933, &(0x7f00000000c0)={'wlan0\x00', 0x0}) r11 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2) bind$bt_sco(r11, &(0x7f0000000200), 0x8) listen(r11, 0x0) syz_emit_vhci(&(0x7f0000000440)=ANY=[@ANYBLOB="0404"], 0xd) syz_emit_vhci(&(0x7f0000000140)=@HCI_EVENT_PKT={0x4, @hci_ev_sync_conn_complete={{0x2c, 0x11}}}, 0x14) sendmsg$NL80211_CMD_SET_STATION(r7, &(0x7f00000003c0)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000080)={0x2c, r8, 0x1, 0x0, 0x0, {{}, {@val={0x8, 0x3, r10}, @void}}, [@NL80211_ATTR_MAC={0xa, 0x6, @device_b}, @NL80211_ATTR_STA_FLAGS={0x4}]}, 0x2c}}, 0x800) r12 = syz_open_dev$loop(&(0x7f0000000640), 0x0, 0x22400) ioctl$LOOP_SET_STATUS(r12, 0x4c02, &(0x7f0000000580)={0x0, {}, 0x0, {}, 0x40010001, 0x5, 0xa, 0x11, "9e959f1600007b08aa26e66c4056eae795280154c382ecff090f00000cfcebd8a6078ed93fd5f0643902dd8f6fac274de9d940bba5e51e92bbd4ce85450d00", "f625c1076e4c36c808000000000000008d347f41be5a0c00000000000100", [0xffffffffffffffff, 0x7]}) r13 = socket$unix(0x1, 0x5, 0x0) bind$unix(r13, &(0x7f0000000200)=@file={0x1, './file0\x00'}, 0x6e) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) sendmmsg$unix(r14, &(0x7f0000002a40)=[{{0x0, 0x0, 0x0}}, {{&(0x7f0000000080)=@file={0x1, './file0\x00'}, 0x6e, 0x0}}], 0x2, 0x0) getdents(r0, &(0x7f0000001fc0)=""/184, 0xb8) syz_open_dev$vim2m(&(0x7f0000000000), 0x7, 0x2) [ 68.218397][ T4662] Bluetooth: hci0: command tx timeout [ 68.282349][ T5321] loop0: detected capacity change from 0 to 512 [ 68.321033][ T5321] EXT4-fs: Ignoring removed bh option [ 68.336495][ T5321] EXT4-fs error (device loop0): __ext4_iget:4984: inode #15: block 1803188595: comm syz.0.0: invalid block [ 68.345807][ T5321] EXT4-fs error (device loop0): ext4_orphan_get:1394: comm syz.0.0: couldn't read orphan inode 15 (err -117) [ 68.353191][ T5321] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. [ 68.376228][ T4662] BUG: sleeping function called from invalid context at net/core/sock.c:3624 [ 68.379682][ T4662] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 4662, name: kworker/u5:1 [ 68.383232][ T4662] preempt_count: 1, expected: 0 [ 68.385122][ T4662] RCU nest depth: 0, expected: 0 [ 68.386924][ T4662] 5 locks held by kworker/u5:1/4662: [ 68.389158][ T4662] #0: ffff888042fac148 ((wq_completion)hci0#2){+.+.}-{0:0}, at: process_scheduled_works+0x93b/0x1840 [ 68.393609][ T4662] #1: ffffc9000e83fd00 ((work_completion)(&hdev->rx_work)){+.+.}-{0:0}, at: process_scheduled_works+0x976/0x1840 [ 68.398023][ T4662] #2: ffff888043ee4078 (&hdev->lock){+.+.}-{4:4}, at: hci_sync_conn_complete_evt+0x10d/0xb50 [ 68.402244][ T4662] #3: ffff888040755c20 (&conn->lock#2){+.+.}-{3:3}, at: sco_connect_cfm+0x262/0xae0 [ 68.405943][ T4662] #4: ffff888052cc6258 (sk_lock-AF_BLUETOOTH-BTPROTO_SCO){+.+.}-{0:0}, at: sco_connect_cfm+0x439/0xae0 [ 68.410311][ T4662] Preemption disabled at: [ 68.410322][ T4662] [<0000000000000000>] 0x0 [ 68.413781][ T4662] CPU: 0 UID: 0 PID: 4662 Comm: kworker/u5:1 Not tainted 6.13.0-rc4-syzkaller-00110-g4099a71718b0 #0 [ 68.417792][ T4662] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 68.421681][ T4662] Workqueue: hci0 hci_rx_work [ 68.423176][ T4662] Call Trace: [ 68.424296][ T4662] [ 68.425471][ T4662] dump_stack_lvl+0x241/0x360 [ 68.427252][ T4662] ? __pfx_dump_stack_lvl+0x10/0x10 [ 68.428916][ T4662] ? __pfx__printk+0x10/0x10 [ 68.430660][ T4662] __might_resched+0x5d4/0x780 [ 68.432495][ T4662] ? __pfx_lock_acquire+0x10/0x10 [ 68.434431][ T4662] ? __pfx___might_resched+0x10/0x10 [ 68.436483][ T4662] ? __pfx_lock_release+0x10/0x10 [ 68.438478][ T4662] ? do_raw_spin_lock+0x14f/0x370 [ 68.440550][ T4662] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 68.442888][ T4662] lock_sock_nested+0x5d/0x100 [ 68.445148][ T4662] sco_connect_cfm+0x439/0xae0 [ 68.447537][ T4662] ? hci_cb_lookup+0x1b3/0x3c0 [ 68.449758][ T4662] ? __pfx_sco_connect_cfm+0x10/0x10 [ 68.452209][ T4662] ? hci_cb_lookup+0x3a0/0x3c0 [ 68.454463][ T4662] ? __pfx_sco_connect_cfm+0x10/0x10 [ 68.456758][ T4662] hci_sync_conn_complete_evt+0x6f1/0xb50 [ 68.458931][ T4662] ? __pfx_hci_sync_conn_complete_evt+0x10/0x10 [ 68.461581][ T4662] ? skb_pull_data+0x112/0x230 [ 68.463777][ T4662] hci_event_packet+0xac2/0x1540 [ 68.466149][ T4662] ? __pfx_hci_sync_conn_complete_evt+0x10/0x10 [ 68.469059][ T4662] ? __pfx_hci_event_packet+0x10/0x10 [ 68.471307][ T4662] ? do_raw_spin_unlock+0x58/0x8b0 [ 68.473288][ T4662] ? hci_send_to_monitor+0xd8/0x7f0 [ 68.475182][ T4662] ? kcov_remote_start+0x97/0x7d0 [ 68.476995][ T4662] hci_rx_work+0x3f3/0xdb0 [ 68.478555][ T4662] ? process_scheduled_works+0x976/0x1840 [ 68.480682][ T4662] process_scheduled_works+0xa66/0x1840 [ 68.482708][ T4662] ? __pfx_process_scheduled_works+0x10/0x10 [ 68.485090][ T4662] ? assign_work+0x364/0x3d0 [ 68.486787][ T4662] worker_thread+0x870/0xd30 [ 68.488446][ T4662] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 68.490691][ T4662] ? __kthread_parkme+0x169/0x1d0 [ 68.492489][ T4662] ? __pfx_worker_thread+0x10/0x10 [ 68.494355][ T4662] kthread+0x2f0/0x390 [ 68.495810][ T4662] ? __pfx_worker_thread+0x10/0x10 [ 68.497548][ T4662] ? __pfx_kthread+0x10/0x10 [ 68.499093][ T4662] ret_from_fork+0x4b/0x80 [ 68.500599][ T4662] ? __pfx_kthread+0x10/0x10 [ 68.502136][ T4662] ret_from_fork_asm+0x1a/0x30 [ 68.503719][ T4662] [ 68.548803][ T5322] loop0: detected capacity change from 512 to 0 [ 68.560457][ T5321] syz.0.0: attempt to access beyond end of device [ 68.560457][ T5321] loop0: rw=12288, sector=26, nr_sectors = 2 limit=0 [ 68.565083][ T5321] EXT4-fs error (device loop0): __ext4_find_entry:1641: inode #2: comm syz.0.0: reading directory lblock 0 [ 68.569974][ T5321] syz.0.0: attempt to access beyond end of device [ 68.569974][ T5321] loop0: rw=145409, sector=2, nr_sectors = 2 limit=0 [ 68.574963][ T5321] Buffer I/O error on dev loop0, logical block 1, lost sync page write [ 68.577964][ T5321] EXT4-fs (loop0): I/O error while writing superblock [ 68.583036][ T5321] syz.0.0: attempt to access beyond end of device [ 68.583036][ T5321] loop0: rw=12288, sector=26, nr_sectors = 2 limit=0 [ 68.587509][ T5321] EXT4-fs error (device loop0): __ext4_find_entry:1641: inode #2: comm syz.0.0: reading directory lblock 0 [ 68.591492][ T5321] syz.0.0: attempt to access beyond end of device [ 68.591492][ T5321] loop0: rw=145409, sector=2, nr_sectors = 2 limit=0 [ 68.595865][ T5321] Buffer I/O error on dev loop0, logical block 1, lost sync page write [ 68.599574][ T5321] EXT4-fs (loop0): I/O error while writing superblock [ 68.602989][ T5321] syz.0.0: attempt to access beyond end of device [ 68.602989][ T5321] loop0: rw=12288, sector=26, nr_sectors = 2 limit=0 [ 68.607779][ T5321] EXT4-fs warning (device loop0): htree_dirblock_to_tree:1083: inode #2: lblock 0: comm syz.0.0: error -5 reading directory block [ 68.614660][ T5321] syz.0.0: attempt to access beyond end of device [ 68.614660][ T5321] loop0: rw=524288, sector=12, nr_sectors = 2 limit=0 [ 68.621404][ T5321] syz.0.0: attempt to access beyond end of device [ 68.621404][ T5321] loop0: rw=524288, sector=14, nr_sectors = 2 limit=0 [ 68.627181][ T5321] syz.0.0: attempt to access beyond end of device [ 68.627181][ T5321] loop0: rw=524288, sector=16, nr_sectors = 2 limit=0 [ 68.632530][ T5321] syz.0.0: attempt to access beyond end of device [ 68.632530][ T5321] loop0: rw=524288, sector=18, nr_sectors = 2 limit=0 [ 68.637216][ T5321] syz.0.0: attempt to access beyond end of device [ 68.637216][ T5321] loop0: rw=524288, sector=20, nr_sectors = 2 limit=0 [ 68.643905][ T5321] EXT4-fs error (device loop0): ext4_get_inode_loc:4573: inode #2: block 5: comm syz.0.0: unable to read itable block [ 68.647799][ T5321] Buffer I/O error on dev loop0, logical block 1, lost sync page write [ 68.651926][ T5321] EXT4-fs (loop0): I/O error while writing superblock [ 68.654969][ T5321] EXT4-fs error (device loop0) in ext4_reserve_inode_write:5837: IO failure [ 68.659496][ T5321] Buffer I/O error on dev loop0, logical block 1, lost sync page write [ 68.662474][ T5321] EXT4-fs (loop0): I/O error while writing superblock [ 68.664924][ T5321] EXT4-fs error (device loop0): ext4_dirty_inode:6041: inode #2: comm syz.0.0: mark_inode_dirty error [ 68.669713][ T5321] Buffer I/O error on dev loop0, logical block 1, lost sync page write [ 68.672838][ T5321] EXT4-fs (loop0): I/O error while writing superblock [ 68.677617][ T5320] [ 68.678580][ T5320] ====================================================== [ 68.681090][ T5320] WARNING: possible circular locking dependency detected [ 68.683381][ T5320] 6.13.0-rc4-syzkaller-00110-g4099a71718b0 #0 Tainted: G W [ 68.685905][ T5320] ------------------------------------------------------ [ 68.688300][ T5320] syz.0.0/5320 is trying to acquire lock: [ 68.690097][ T5320] ffff888040755c20 (&conn->lock#2){+.+.}-{3:3}, at: sco_chan_del+0x74/0x180 [ 68.693174][ T5320] [ 68.693174][ T5320] but task is already holding lock: [ 68.695841][ T5320] ffff888052cc7258 (sk_lock-AF_BLUETOOTH){+.+.}-{0:0}, at: __sco_sock_close+0xe8/0x310 [ 68.699639][ T5320] [ 68.699639][ T5320] which lock already depends on the new lock. [ 68.699639][ T5320] [ 68.703469][ T5320] [ 68.703469][ T5320] the existing dependency chain (in reverse order) is: [ 68.706242][ T5320] [ 68.706242][ T5320] -> #2 (sk_lock-AF_BLUETOOTH){+.+.}-{0:0}: [ 68.709187][ T5320] lock_acquire+0x1ed/0x550 [ 68.711037][ T5320] lock_sock_nested+0x48/0x100 [ 68.712978][ T5320] bt_accept_dequeue+0xfa/0x570 [ 68.714957][ T5320] __sco_sock_close+0xd2/0x310 [ 68.716929][ T5320] sco_sock_release+0xb3/0x320 [ 68.718908][ T5320] sock_close+0xbc/0x240 [ 68.720787][ T5320] __fput+0x23c/0xa50 [ 68.722583][ T5320] task_work_run+0x24f/0x310 [ 68.724532][ T5320] syscall_exit_to_user_mode+0x13f/0x340 [ 68.726890][ T5320] do_syscall_64+0x100/0x230 [ 68.728909][ T5320] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 68.731392][ T5320] [ 68.731392][ T5320] -> #1 (sk_lock-AF_BLUETOOTH-BTPROTO_SCO){+.+.}-{0:0}: [ 68.734913][ T5320] lock_acquire+0x1ed/0x550 [ 68.736931][ T5320] lock_sock_nested+0x48/0x100 [ 68.739359][ T5320] sco_connect_cfm+0x439/0xae0 [ 68.742001][ T5320] hci_sync_conn_complete_evt+0x6f1/0xb50 [ 68.744835][ T5320] hci_event_packet+0xac2/0x1540 [ 68.747226][ T5320] hci_rx_work+0x3f3/0xdb0 [ 68.749695][ T5320] process_scheduled_works+0xa66/0x1840 [ 68.751671][ T5320] worker_thread+0x870/0xd30 [ 68.754154][ T5320] kthread+0x2f0/0x390 [ 68.756529][ T5320] ret_from_fork+0x4b/0x80 [ 68.758493][ T5320] ret_from_fork_asm+0x1a/0x30 [ 68.760494][ T5320] [ 68.760494][ T5320] -> #0 (&conn->lock#2){+.+.}-{3:3}: [ 68.763229][ T5320] validate_chain+0x18ef/0x5920 [ 68.765112][ T5320] __lock_acquire+0x1397/0x2100 [ 68.767024][ T5320] lock_acquire+0x1ed/0x550 [ 68.768845][ T5320] _raw_spin_lock+0x2e/0x40 [ 68.770719][ T5320] sco_chan_del+0x74/0x180 [ 68.772535][ T5320] __sco_sock_close+0x152/0x310 [ 68.774559][ T5320] sco_sock_release+0xb3/0x320 [ 68.776584][ T5320] sock_close+0xbc/0x240 [ 68.778456][ T5320] __fput+0x23c/0xa50 [ 68.780139][ T5320] task_work_run+0x24f/0x310 [ 68.782131][ T5320] syscall_exit_to_user_mode+0x13f/0x340 [ 68.784447][ T5320] do_syscall_64+0x100/0x230 [ 68.786399][ T5320] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 68.788994][ T5320] [ 68.788994][ T5320] other info that might help us debug this: [ 68.788994][ T5320] [ 68.792502][ T5320] Chain exists of: [ 68.792502][ T5320] &conn->lock#2 --> sk_lock-AF_BLUETOOTH-BTPROTO_SCO --> sk_lock-AF_BLUETOOTH [ 68.792502][ T5320] [ 68.797555][ T5320] Possible unsafe locking scenario: [ 68.797555][ T5320] [ 68.800179][ T5320] CPU0 CPU1 [ 68.802569][ T5320] ---- ---- [ 68.805083][ T5320] lock(sk_lock-AF_BLUETOOTH); [ 68.807352][ T5320] lock(sk_lock-AF_BLUETOOTH-BTPROTO_SCO); [ 68.811293][ T5320] lock(sk_lock-AF_BLUETOOTH); [ 68.814708][ T5320] lock(&conn->lock#2); [ 68.816272][ T5320] [ 68.816272][ T5320] *** DEADLOCK *** [ 68.816272][ T5320] [ 68.819098][ T5320] 3 locks held by syz.0.0/5320: [ 68.820967][ T5320] #0: ffff888043a88208 (&sb->s_type->i_mutex_key#10){+.+.}-{4:4}, at: sock_close+0x90/0x240 [ 68.824775][ T5320] #1: ffff888052cc6258 (sk_lock-AF_BLUETOOTH-BTPROTO_SCO){+.+.}-{0:0}, at: sco_sock_release+0x5a/0x320 [ 68.828874][ T5320] #2: ffff888052cc7258 (sk_lock-AF_BLUETOOTH){+.+.}-{0:0}, at: __sco_sock_close+0xe8/0x310 [ 68.832330][ T5320] [ 68.832330][ T5320] stack backtrace: [ 68.834586][ T5320] CPU: 0 UID: 0 PID: 5320 Comm: syz.0.0 Tainted: G W 6.13.0-rc4-syzkaller-00110-g4099a71718b0 #0 [ 68.838873][ T5320] Tainted: [W]=WARN [ 68.840289][ T5320] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 68.844349][ T5320] Call Trace: [ 68.845666][ T5320] [ 68.846811][ T5320] dump_stack_lvl+0x241/0x360 [ 68.848669][ T5320] ? __pfx_dump_stack_lvl+0x10/0x10 [ 68.850728][ T5320] ? __pfx__printk+0x10/0x10 [ 68.852429][ T5320] print_circular_bug+0x13a/0x1b0 [ 68.854088][ T5320] check_noncircular+0x36a/0x4a0 [ 68.855775][ T5320] ? __pfx_check_noncircular+0x10/0x10 [ 68.857739][ T5320] ? lockdep_lock+0x123/0x2b0 [ 68.859423][ T5320] validate_chain+0x18ef/0x5920 [ 68.861148][ T5320] ? debug_object_assert_init+0x2dd/0x4b0 [ 68.863259][ T5320] ? do_raw_spin_unlock+0x58/0x8b0 [ 68.865134][ T5320] ? __pfx_validate_chain+0x10/0x10 [ 68.867103][ T5320] ? __pfx_stack_trace_save+0x10/0x10 [ 68.868949][ T5320] ? debug_object_assert_init+0x2dd/0x4b0 [ 68.870884][ T5320] ? __pfx_debug_object_assert_init+0x10/0x10 [ 68.873191][ T5320] ? mark_lock+0x9a/0x360 [ 68.874800][ T5320] __lock_acquire+0x1397/0x2100 [ 68.876559][ T5320] lock_acquire+0x1ed/0x550 [ 68.878283][ T5320] ? sco_chan_del+0x74/0x180 [ 68.879939][ T5320] ? __pfx_lock_acquire+0x10/0x10 [ 68.881880][ T5320] ? lockdep_hardirqs_on+0x99/0x150 [ 68.883800][ T5320] ? __cancel_work+0x2ee/0x390 [ 68.885523][ T5320] ? __pfx___cancel_work+0x10/0x10 [ 68.887401][ T5320] ? __sco_sock_close+0xe8/0x310 [ 68.889202][ T5320] ? __pfx___local_bh_enable_ip+0x10/0x10 [ 68.891384][ T5320] ? __sco_sock_close+0xe8/0x310 [ 68.893242][ T5320] _raw_spin_lock+0x2e/0x40 [ 68.894971][ T5320] ? sco_chan_del+0x74/0x180 [ 68.896608][ T5320] sco_chan_del+0x74/0x180 [ 68.898206][ T5320] __sco_sock_close+0x152/0x310 [ 68.900010][ T5320] sco_sock_release+0xb3/0x320 [ 68.901720][ T5320] sock_close+0xbc/0x240 [ 68.903273][ T5320] ? __pfx_sock_close+0x10/0x10 [ 68.905125][ T5320] __fput+0x23c/0xa50 [ 68.906668][ T5320] task_work_run+0x24f/0x310 [ 68.908471][ T5320] ? _raw_spin_unlock+0x28/0x50 [ 68.910275][ T5320] ? __pfx_task_work_run+0x10/0x10 [ 68.912138][ T5320] ? syscall_exit_to_user_mode+0xa3/0x340 [ 68.914284][ T5320] syscall_exit_to_user_mode+0x13f/0x340 [ 68.916296][ T5320] do_syscall_64+0x100/0x230 [ 68.918022][ T5320] ? clear_bhb_loop+0x35/0x90 [ 68.919880][ T5320] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 68.922209][ T5320] RIP: 0033:0x7f0a68585d29 [ 68.923944][ T5320] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 68.930536][ T5320] RSP: 002b:00007ffdd5235be8 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4 [ 68.933450][ T5320] RAX: 0000000000000000 RBX: 00007f0a68777ba0 RCX: 00007f0a68585d29 [ 68.936403][ T5320] RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003 [ 68.939287][ T5320] RBP: 00007f0a68777ba0 R08: 00000000000318d4 R09: 00007ffdd5235edf [ 68.941973][ T5320] R10: 0000000000dce4f8 R11: 0000000000000246 R12: 0000000000010d51 [ 68.945091][ T5320] R13: 00007f0a68776080 R14: 0000000000000032 R15: ffffffffffffffff [ 68.947973][ T5320]