Warning: Permanently added '10.128.1.123' (ED25519) to the list of known hosts. 1970/01/01 00:00:33 parsed 1 programs [ 34.949986][ T6557] cgroup: Unknown subsys name 'net' [ 35.081045][ T6557] cgroup: Unknown subsys name 'cpuset' [ 35.082885][ T6557] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 35.297781][ T6557] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SS [ 39.751265][ T6568] soft_limit_in_bytes is deprecated and will be removed. Please report your usecase to linux-mm@kvack.org if you depend on this functionality. [ 40.119052][ T224] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 40.119087][ T224] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 40.130460][ T41] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 40.130487][ T41] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 40.305569][ T53] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 40.307042][ T53] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 40.308364][ T53] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 40.311827][ T53] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 40.313297][ T53] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 40.871783][ T6632] chnl_net:caif_netlink_parms(): no params data found [ 40.986890][ T6632] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.988464][ T6632] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.989987][ T6632] bridge_slave_0: entered allmulticast mode [ 40.992473][ T6632] bridge_slave_0: entered promiscuous mode [ 40.994923][ T6632] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.996555][ T6632] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.998120][ T6632] bridge_slave_1: entered allmulticast mode [ 40.999594][ T6632] bridge_slave_1: entered promiscuous mode [ 41.007761][ T6632] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 41.012294][ T6632] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 41.019156][ T6632] team0: Port device team_slave_0 added [ 41.019891][ T6632] team0: Port device team_slave_1 added [ 41.025900][ T6632] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 41.025927][ T6632] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem. [ 41.025935][ T6632] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 41.027320][ T6632] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 41.027327][ T6632] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem. [ 41.027340][ T6632] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 41.045789][ T6632] hsr_slave_0: entered promiscuous mode [ 41.046110][ T6632] hsr_slave_1: entered promiscuous mode [ 41.138131][ T6632] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 41.142639][ T6632] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 41.144952][ T6632] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 41.147061][ T6632] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 41.171811][ T6632] 8021q: adding VLAN 0 to HW filter on device bond0 [ 41.175915][ T6632] 8021q: adding VLAN 0 to HW filter on device team0 [ 41.177734][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.177785][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 41.184995][ T14] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.185033][ T14] bridge0: port 2(bridge_slave_1) entered forwarding state [ 41.373728][ T6632] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 41.384338][ T6632] veth0_vlan: entered promiscuous mode [ 41.387318][ T6632] veth1_vlan: entered promiscuous mode [ 41.395854][ T6632] veth0_macvtap: entered promiscuous mode [ 41.397960][ T6632] veth1_macvtap: entered promiscuous mode [ 41.402505][ T6632] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 41.405528][ T6632] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 41.410945][ T41] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 41.411073][ T41] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 41.411087][ T41] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 41.411100][ T41] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 41.674853][ T41] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 41.739640][ T41] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 41.784295][ T41] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 41.848007][ T41] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 1970/01/01 00:00:41 executed programs: 0 [ 42.005699][ T6147] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 42.007184][ T6147] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 42.008176][ T6147] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 42.008565][ T6147] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 42.009840][ T6147] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 42.052381][ T6666] chnl_net:caif_netlink_parms(): no params data found [ 42.070461][ T6666] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.071743][ T6666] bridge0: port 1(bridge_slave_0) entered disabled state [ 42.073031][ T6666] bridge_slave_0: entered allmulticast mode [ 42.074121][ T6666] bridge_slave_0: entered promiscuous mode [ 42.075203][ T6666] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.075222][ T6666] bridge0: port 2(bridge_slave_1) entered disabled state [ 42.075273][ T6666] bridge_slave_1: entered allmulticast mode [ 42.075654][ T6666] bridge_slave_1: entered promiscuous mode [ 42.087457][ T6666] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 42.088470][ T6666] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 42.098247][ T6666] team0: Port device team_slave_0 added [ 42.100015][ T6666] team0: Port device team_slave_1 added [ 42.106139][ T6666] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 42.106167][ T6666] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem. [ 42.106177][ T6666] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 42.106699][ T6666] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 42.106707][ T6666] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem. [ 42.106719][ T6666] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 42.125391][ T6666] hsr_slave_0: entered promiscuous mode [ 42.125705][ T6666] hsr_slave_1: entered promiscuous mode [ 42.125908][ T6666] debugfs: 'hsr0' already exists in 'hsr' [ 42.125953][ T6666] Cannot create hsr debugfs directory [ 44.088889][ T6147] Bluetooth: hci0: command tx timeout [ 44.875406][ T41] bridge_slave_1: left allmulticast mode [ 44.875447][ T41] bridge_slave_1: left promiscuous mode [ 44.875703][ T41] bridge0: port 2(bridge_slave_1) entered disabled state [ 44.880420][ T41] bridge_slave_0: left allmulticast mode [ 44.880445][ T41] bridge_slave_0: left promiscuous mode [ 44.880522][ T41] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.010860][ T41] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 45.039986][ T41] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 45.079366][ T41] bond0 (unregistering): Released all slaves [ 45.162134][ T41] hsr_slave_0: left promiscuous mode [ 45.163113][ T41] hsr_slave_1: left promiscuous mode [ 45.163355][ T41] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 45.163367][ T41] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 45.163760][ T41] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 45.163770][ T41] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 45.173703][ T41] veth1_macvtap: left promiscuous mode [ 45.173775][ T41] veth0_macvtap: left promiscuous mode [ 45.173828][ T41] veth1_vlan: left promiscuous mode [ 45.173875][ T41] veth0_vlan: left promiscuous mode [ 45.283513][ T41] team0 (unregistering): Port device team_slave_1 removed [ 45.291368][ T41] team0 (unregistering): Port device team_slave_0 removed [ 45.666973][ T6666] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 45.669813][ T6666] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 45.672326][ T6666] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 45.675068][ T6666] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 45.698569][ T6666] 8021q: adding VLAN 0 to HW filter on device bond0 [ 45.706760][ T6666] 8021q: adding VLAN 0 to HW filter on device team0 [ 45.708567][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.708628][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 45.741324][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.741372][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 45.790935][ T6666] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 45.836855][ T6666] veth0_vlan: entered promiscuous mode [ 45.844882][ T6666] veth1_vlan: entered promiscuous mode [ 45.852556][ T6666] veth0_macvtap: entered promiscuous mode [ 45.853462][ T6666] veth1_macvtap: entered promiscuous mode [ 45.856266][ T6666] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 45.859350][ T6666] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 45.862438][ T12] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 45.862469][ T12] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 45.862483][ T12] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 45.862497][ T12] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 45.892847][ T832] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 45.892878][ T832] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 45.903382][ T832] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 45.903407][ T832] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 46.169133][ T6147] Bluetooth: hci0: command tx timeout [ 46.491710][ T6728] loop0: detected capacity change from 0 to 262144 [ 46.498266][ T6728] JBD2: Ignoring recovery information on journal [ 46.502912][ T6728] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 46.507210][ T6728] [ 46.507608][ T6728] ====================================================== [ 46.508592][ T6728] WARNING: possible circular locking dependency detected [ 46.509689][ T6728] syzkaller #0 Not tainted [ 46.510398][ T6728] ------------------------------------------------------ [ 46.511483][ T6728] syz.0.17/6728 is trying to acquire lock: [ 46.512413][ T6728] ffff0000f184a640 (&ocfs2_sysfile_lock_key[LOCAL_ALLOC_SYSTEM_INODE]){+.+.}-{4:4}, at: ocfs2_reserve_local_alloc_bits+0x104/0x26a0 [ 46.514501][ T6728] [ 46.514501][ T6728] but task is already holding lock: [ 46.515641][ T6728] ffff0000f184cda0 (&oi->ip_alloc_sem){++++}-{4:4}, at: ocfs2_write_begin+0x190/0x30c [ 46.516983][ T6728] [ 46.516983][ T6728] which lock already depends on the new lock. [ 46.516983][ T6728] [ 46.518558][ T6728] [ 46.518558][ T6728] the existing dependency chain (in reverse order) is: [ 46.519860][ T6728] [ 46.519860][ T6728] -> #5 (&oi->ip_alloc_sem){++++}-{4:4}: [ 46.520984][ T6728] down_read+0x58/0x2f8 [ 46.521724][ T6728] ocfs2_xattr_ibody_find+0x100/0x668 [ 46.522618][ T6728] ocfs2_xattr_set_handle+0x2bc/0x5e4 [ 46.523494][ T6728] ocfs2_init_security_set+0xb4/0xd8 [ 46.524305][ T6728] ocfs2_mknod+0x106c/0x1cf0 [ 46.525023][ T6728] ocfs2_create+0x190/0x474 [ 46.525874][ T6728] path_openat+0x12d8/0x2c40 [ 46.526640][ T6728] do_filp_open+0x18c/0x36c [ 46.527401][ T6728] do_sys_openat2+0x11c/0x1b4 [ 46.528181][ T6728] __arm64_sys_openat+0x120/0x158 [ 46.529030][ T6728] invoke_syscall+0x98/0x254 [ 46.529797][ T6728] el0_svc_common+0xe8/0x23c [ 46.530517][ T6728] do_el0_svc+0x48/0x58 [ 46.531157][ T6728] el0_svc+0x5c/0x254 [ 46.531817][ T6728] el0t_64_sync_handler+0x84/0x12c [ 46.532624][ T6728] el0t_64_sync+0x198/0x19c [ 46.533438][ T6728] [ 46.533438][ T6728] -> #4 (&oi->ip_xattr_sem){++++}-{4:4}: [ 46.534716][ T6728] down_read+0x58/0x2f8 [ 46.535449][ T6728] ocfs2_init_acl+0x258/0x5f0 [ 46.536258][ T6728] ocfs2_mknod+0x1028/0x1cf0 [ 46.537113][ T6728] ocfs2_create+0x190/0x474 [ 46.537916][ T6728] path_openat+0x12d8/0x2c40 [ 46.538768][ T6728] do_filp_open+0x18c/0x36c [ 46.539549][ T6728] do_sys_openat2+0x11c/0x1b4 [ 46.540299][ T6728] __arm64_sys_openat+0x120/0x158 [ 46.541155][ T6728] invoke_syscall+0x98/0x254 [ 46.541913][ T6728] el0_svc_common+0xe8/0x23c [ 46.542630][ T6728] do_el0_svc+0x48/0x58 [ 46.543287][ T6728] el0_svc+0x5c/0x254 [ 46.544058][ T6728] el0t_64_sync_handler+0x84/0x12c [ 46.544897][ T6728] el0t_64_sync+0x198/0x19c [ 46.545738][ T6728] [ 46.545738][ T6728] -> #3 (jbd2_handle){++++}-{0:0}: [ 46.546929][ T6728] start_this_handle+0xe74/0x10dc [ 46.547868][ T6728] jbd2__journal_start+0x288/0x51c [ 46.548750][ T6728] jbd2_journal_start+0x3c/0x4c [ 46.549575][ T6728] ocfs2_start_trans+0x368/0x6b0 [ 46.550389][ T6728] ocfs2_mknod+0xc50/0x1cf0 [ 46.551163][ T6728] ocfs2_create+0x190/0x474 [ 46.551884][ T6728] path_openat+0x12d8/0x2c40 [ 46.552636][ T6728] do_filp_open+0x18c/0x36c [ 46.553418][ T6728] do_sys_openat2+0x11c/0x1b4 [ 46.554126][ T6728] __arm64_sys_openat+0x120/0x158 [ 46.554905][ T6728] invoke_syscall+0x98/0x254 [ 46.555666][ T6728] el0_svc_common+0xe8/0x23c [ 46.556414][ T6728] do_el0_svc+0x48/0x58 [ 46.557113][ T6728] el0_svc+0x5c/0x254 [ 46.557838][ T6728] el0t_64_sync_handler+0x84/0x12c [ 46.558672][ T6728] el0t_64_sync+0x198/0x19c [ 46.559401][ T6728] [ 46.559401][ T6728] -> #2 (&journal->j_trans_barrier){.+.+}-{4:4}: [ 46.560655][ T6728] down_read+0x58/0x2f8 [ 46.561327][ T6728] ocfs2_start_trans+0x35c/0x6b0 [ 46.562168][ T6728] ocfs2_mknod+0xc50/0x1cf0 [ 46.562918][ T6728] ocfs2_create+0x190/0x474 [ 46.563719][ T6728] path_openat+0x12d8/0x2c40 [ 46.564455][ T6728] do_filp_open+0x18c/0x36c [ 46.565239][ T6728] do_sys_openat2+0x11c/0x1b4 [ 46.566014][ T6728] __arm64_sys_openat+0x120/0x158 [ 46.566817][ T6728] invoke_syscall+0x98/0x254 [ 46.567553][ T6728] el0_svc_common+0xe8/0x23c [ 46.568286][ T6728] do_el0_svc+0x48/0x58 [ 46.569002][ T6728] el0_svc+0x5c/0x254 [ 46.569645][ T6728] el0t_64_sync_handler+0x84/0x12c [ 46.570509][ T6728] el0t_64_sync+0x198/0x19c [ 46.571211][ T6728] [ 46.571211][ T6728] -> #1 (sb_internal#2){.+.+}-{0:0}: [ 46.572356][ T6728] ocfs2_start_trans+0x1f4/0x6b0 [ 46.573102][ T6728] ocfs2_mknod+0xc50/0x1cf0 [ 46.573879][ T6728] ocfs2_create+0x190/0x474 [ 46.574632][ T6728] path_openat+0x12d8/0x2c40 [ 46.575439][ T6728] do_filp_open+0x18c/0x36c [ 46.576194][ T6728] do_sys_openat2+0x11c/0x1b4 [ 46.577024][ T6728] __arm64_sys_openat+0x120/0x158 [ 46.577878][ T6728] invoke_syscall+0x98/0x254 [ 46.578661][ T6728] el0_svc_common+0xe8/0x23c [ 46.579439][ T6728] do_el0_svc+0x48/0x58 [ 46.580169][ T6728] el0_svc+0x5c/0x254 [ 46.580895][ T6728] el0t_64_sync_handler+0x84/0x12c [ 46.581789][ T6728] el0t_64_sync+0x198/0x19c [ 46.582510][ T6728] [ 46.582510][ T6728] -> #0 (&ocfs2_sysfile_lock_key[LOCAL_ALLOC_SYSTEM_INODE]){+.+.}-{4:4}: [ 46.584103][ T6728] __lock_acquire+0x1774/0x30a4 [ 46.584922][ T6728] lock_acquire+0x14c/0x2e0 [ 46.585691][ T6728] down_write+0x50/0xc0 [ 46.586431][ T6728] ocfs2_reserve_local_alloc_bits+0x104/0x26a0 [ 46.587419][ T6728] ocfs2_reserve_clusters_with_limit+0x198/0x9e0 [ 46.588413][ T6728] ocfs2_lock_allocators+0x27c/0x518 [ 46.589272][ T6728] ocfs2_write_begin_nolock+0x1ef4/0x3864 [ 46.590147][ T6728] ocfs2_write_begin+0x1b4/0x30c [ 46.590949][ T6728] generic_perform_write+0x244/0x7bc [ 46.591832][ T6728] __generic_file_write_iter+0xfc/0x204 [ 46.592709][ T6728] ocfs2_file_write_iter+0x1328/0x1b84 [ 46.593571][ T6728] vfs_write+0x540/0xa3c [ 46.594237][ T6728] ksys_write+0x120/0x210 [ 46.595014][ T6728] __arm64_sys_write+0x7c/0x90 [ 46.595752][ T6728] invoke_syscall+0x98/0x254 [ 46.596468][ T6728] el0_svc_common+0xe8/0x23c [ 46.597206][ T6728] do_el0_svc+0x48/0x58 [ 46.597898][ T6728] el0_svc+0x5c/0x254 [ 46.598526][ T6728] el0t_64_sync_handler+0x84/0x12c [ 46.599382][ T6728] el0t_64_sync+0x198/0x19c [ 46.600096][ T6728] [ 46.600096][ T6728] other info that might help us debug this: [ 46.600096][ T6728] [ 46.601548][ T6728] Chain exists of: [ 46.601548][ T6728] &ocfs2_sysfile_lock_key[LOCAL_ALLOC_SYSTEM_INODE] --> &oi->ip_xattr_sem --> &oi->ip_alloc_sem [ 46.601548][ T6728] [ 46.603956][ T6728] Possible unsafe locking scenario: [ 46.603956][ T6728] [ 46.605048][ T6728] CPU0 CPU1 [ 46.605837][ T6728] ---- ---- [ 46.606628][ T6728] lock(&oi->ip_alloc_sem); [ 46.607270][ T6728] lock(&oi->ip_xattr_sem); [ 46.608285][ T6728] lock(&oi->ip_alloc_sem); [ 46.609320][ T6728] lock(&ocfs2_sysfile_lock_key[LOCAL_ALLOC_SYSTEM_INODE]); [ 46.610343][ T6728] [ 46.610343][ T6728] *** DEADLOCK *** [ 46.610343][ T6728] [ 46.611531][ T6728] 3 locks held by syz.0.17/6728: [ 46.612244][ T6728] #0: ffff0000ddfee420 (sb_writers#11){.+.+}-{0:0}, at: vfs_write+0x24c/0xa3c [ 46.613594][ T6728] #1: ffff0000f184d100 (&sb->s_type->i_mutex_key#20){+.+.}-{4:4}, at: ocfs2_file_write_iter+0x3a0/0x1b84 [ 46.615164][ T6728] #2: ffff0000f184cda0 (&oi->ip_alloc_sem){++++}-{4:4}, at: ocfs2_write_begin+0x190/0x30c [ 46.616541][ T6728] [ 46.616541][ T6728] stack backtrace: [ 46.617321][ T6728] CPU: 0 UID: 0 PID: 6728 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT [ 46.618535][ T6728] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 46.619955][ T6728] Call trace: [ 46.620448][ T6728] show_stack+0x2c/0x3c (C) [ 46.621124][ T6728] __dump_stack+0x30/0x40 [ 46.621758][ T6728] dump_stack_lvl+0xd8/0x12c [ 46.622394][ T6728] dump_stack+0x1c/0x28 [ 46.622982][ T6728] print_circular_bug+0x324/0x32c [ 46.623683][ T6728] check_noncircular+0x154/0x174 [ 46.624451][ T6728] __lock_acquire+0x1774/0x30a4 [ 46.625138][ T6728] lock_acquire+0x14c/0x2e0 [ 46.625798][ T6728] down_write+0x50/0xc0 [ 46.626374][ T6728] ocfs2_reserve_local_alloc_bits+0x104/0x26a0 [ 46.627263][ T6728] ocfs2_reserve_clusters_with_limit+0x198/0x9e0 [ 46.628150][ T6728] ocfs2_lock_allocators+0x27c/0x518 [ 46.628917][ T6728] ocfs2_write_begin_nolock+0x1ef4/0x3864 [ 46.629746][ T6728] ocfs2_write_begin+0x1b4/0x30c [ 46.630472][ T6728] generic_perform_write+0x244/0x7bc [ 46.631242][ T6728] __generic_file_write_iter+0xfc/0x204 [ 46.632107][ T6728] ocfs2_file_write_iter+0x1328/0x1b84 [ 46.632919][ T6728] vfs_write+0x540/0xa3c [ 46.633526][ T6728] ksys_write+0x120/0x210 [ 46.634202][ T6728] __arm64_sys_write+0x7c/0x90 [ 46.634891][ T6728] invoke_syscall+0x98/0x254 [ 46.635550][ T6728] el0_svc_common+0xe8/0x23c [ 46.636188][ T6728] do_el0_svc+0x48/0x58 [ 46.636773][ T6728] el0_svc+0x5c/0x254 [ 46.637309][ T6728] el0t_64_sync_handler+0x84/0x12c [ 46.638012][ T6728] el0t_64_sync+0x198/0x19c SYZFAIL: failed to recv rpc [ 46.649818][ T6666] ocfs2: Unmounting device (7,0) on (node local)