Warning: Permanently added '10.128.0.2' (ED25519) to the list of known hosts. 2025/12/14 08:33:29 parsed 1 programs [ 73.169272][ T5768] cgroup: Unknown subsys name 'net' [ 73.329050][ T5768] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 74.664516][ T5768] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 76.389832][ T5775] chnl_net:caif_netlink_parms(): no params data found [ 76.442771][ T5775] bridge0: port 1(bridge_slave_0) entered blocking state [ 76.450311][ T5775] bridge0: port 1(bridge_slave_0) entered disabled state [ 76.458174][ T5775] bridge_slave_0: entered allmulticast mode [ 76.465989][ T5775] bridge_slave_0: entered promiscuous mode [ 76.478023][ T5775] bridge0: port 2(bridge_slave_1) entered blocking state [ 76.485378][ T5775] bridge0: port 2(bridge_slave_1) entered disabled state [ 76.494433][ T5775] bridge_slave_1: entered allmulticast mode [ 76.502402][ T5775] bridge_slave_1: entered promiscuous mode [ 76.557592][ T5775] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 76.571496][ T5775] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 76.618743][ T5775] team0: Port device team_slave_0 added [ 76.631159][ T5775] team0: Port device team_slave_1 added [ 76.674854][ T5775] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 76.681867][ T5775] 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 1560 would solve the problem. [ 76.711011][ T5775] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 76.727284][ T5775] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 76.734686][ T5775] 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 1560 would solve the problem. [ 76.762409][ T5775] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 76.860277][ T5775] hsr_slave_0: entered promiscuous mode [ 76.868772][ T5775] hsr_slave_1: entered promiscuous mode [ 77.060732][ T5775] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 77.073454][ T5775] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 77.083645][ T5775] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 77.095389][ T5775] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 77.121375][ T5775] bridge0: port 2(bridge_slave_1) entered blocking state [ 77.129306][ T5775] bridge0: port 2(bridge_slave_1) entered forwarding state [ 77.137593][ T5775] bridge0: port 1(bridge_slave_0) entered blocking state [ 77.145079][ T5775] bridge0: port 1(bridge_slave_0) entered forwarding state [ 77.198369][ T5775] 8021q: adding VLAN 0 to HW filter on device bond0 [ 77.215731][ T1137] bridge0: port 1(bridge_slave_0) entered disabled state [ 77.226135][ T1137] bridge0: port 2(bridge_slave_1) entered disabled state [ 77.241571][ T5775] 8021q: adding VLAN 0 to HW filter on device team0 [ 77.272500][ T69] bridge0: port 1(bridge_slave_0) entered blocking state [ 77.279956][ T69] bridge0: port 1(bridge_slave_0) entered forwarding state [ 77.289458][ T69] bridge0: port 2(bridge_slave_1) entered blocking state [ 77.296731][ T69] bridge0: port 2(bridge_slave_1) entered forwarding state [ 77.456104][ T5775] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 77.500567][ T5775] veth0_vlan: entered promiscuous mode [ 77.511616][ T5775] veth1_vlan: entered promiscuous mode [ 77.537475][ T5775] veth0_macvtap: entered promiscuous mode [ 77.547168][ T5775] veth1_macvtap: entered promiscuous mode [ 77.563571][ T5775] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 77.580581][ T5775] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 77.593069][ T5775] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 77.603689][ T5775] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 77.612659][ T5775] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 77.621374][ T5775] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 77.788015][ T5775] syz-executor (5775) used greatest stack depth: 20584 bytes left [ 77.821891][ T1071] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 78.570814][ T5825] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 78.580303][ T5825] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 78.590630][ T5825] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 78.599978][ T5825] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 78.612272][ T5825] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 78.620840][ T5825] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 78.939092][ T1137] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 78.948949][ T1137] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 78.976760][ T1137] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 78.986081][ T1137] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 80.650185][ T1071] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 2025/12/14 08:33:38 executed programs: 0 [ 80.868538][ T5088] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 80.877060][ T5088] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 80.887350][ T5088] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 80.896449][ T5088] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 80.904991][ T5088] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 80.912585][ T5088] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 81.038686][ T5874] chnl_net:caif_netlink_parms(): no params data found [ 81.090455][ T5874] bridge0: port 1(bridge_slave_0) entered blocking state [ 81.098124][ T5874] bridge0: port 1(bridge_slave_0) entered disabled state [ 81.106114][ T5874] bridge_slave_0: entered allmulticast mode [ 81.113713][ T5874] bridge_slave_0: entered promiscuous mode [ 81.121482][ T5874] bridge0: port 2(bridge_slave_1) entered blocking state [ 81.129295][ T5874] bridge0: port 2(bridge_slave_1) entered disabled state [ 81.136846][ T5874] bridge_slave_1: entered allmulticast mode [ 81.144690][ T5874] bridge_slave_1: entered promiscuous mode [ 81.169142][ T5874] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 81.181481][ T5874] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 81.209702][ T5874] team0: Port device team_slave_0 added [ 81.218630][ T5874] team0: Port device team_slave_1 added [ 81.243420][ T5874] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 81.250475][ T5874] 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 1560 would solve the problem. [ 81.276952][ T5874] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 81.288776][ T5874] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 81.296167][ T5874] 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 1560 would solve the problem. [ 81.323011][ T5874] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 81.355704][ T5874] hsr_slave_0: entered promiscuous mode [ 81.362572][ T5874] hsr_slave_1: entered promiscuous mode [ 81.368708][ T5874] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 81.376561][ T5874] Cannot create hsr debugfs directory [ 81.564291][ T9] cfg80211: failed to load regulatory.db [ 82.632231][ T1071] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 82.683642][ T1071] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 83.014008][ T5088] Bluetooth: hci0: command tx timeout [ 83.570842][ T1071] hsr_slave_0: left promiscuous mode [ 83.587617][ T1071] hsr_slave_1: left promiscuous mode [ 83.594559][ T1071] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 83.601963][ T1071] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 83.610697][ T1071] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 83.618447][ T1071] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 83.626206][ T1071] bridge_slave_1: left allmulticast mode [ 83.632130][ T1071] bridge_slave_1: left promiscuous mode [ 83.638478][ T1071] bridge0: port 2(bridge_slave_1) entered disabled state [ 83.649363][ T1071] bridge_slave_0: left allmulticast mode [ 83.656183][ T1071] bridge_slave_0: left promiscuous mode [ 83.662494][ T1071] bridge0: port 1(bridge_slave_0) entered disabled state [ 83.679337][ T1071] veth1_macvtap: left promiscuous mode [ 83.686062][ T1071] veth0_macvtap: left promiscuous mode [ 83.692250][ T1071] veth1_vlan: left promiscuous mode [ 83.697873][ T1071] veth0_vlan: left promiscuous mode [ 84.035496][ T1071] team0 (unregistering): Port device team_slave_1 removed [ 84.064334][ T1071] team0 (unregistering): Port device team_slave_0 removed [ 84.095803][ T1071] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 84.126007][ T1071] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 84.417389][ T1071] bond0 (unregistering): Released all slaves [ 84.528351][ T5874] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 84.542400][ T5874] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 84.553752][ T5874] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 84.568278][ T5874] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 84.666285][ T5874] 8021q: adding VLAN 0 to HW filter on device bond0 [ 84.685189][ T5874] 8021q: adding VLAN 0 to HW filter on device team0 [ 84.704685][ T2994] bridge0: port 1(bridge_slave_0) entered blocking state [ 84.712158][ T2994] bridge0: port 1(bridge_slave_0) entered forwarding state [ 84.728491][ T1137] bridge0: port 2(bridge_slave_1) entered blocking state [ 84.735890][ T1137] bridge0: port 2(bridge_slave_1) entered forwarding state [ 84.940328][ T5874] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 84.995351][ T5874] veth0_vlan: entered promiscuous mode [ 85.010989][ T5874] veth1_vlan: entered promiscuous mode [ 85.064010][ T5874] veth0_macvtap: entered promiscuous mode [ 85.088338][ T5874] veth1_macvtap: entered promiscuous mode [ 85.093227][ T5088] Bluetooth: hci0: command tx timeout [ 85.118268][ T5874] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 85.143467][ T5874] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 85.157283][ T5874] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 85.166669][ T5874] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 85.176433][ T5874] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 85.185304][ T5874] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 85.329351][ T69] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 85.337393][ T69] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 85.394566][ T2994] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 85.403723][ T2994] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 85.481812][ T5920] syz.0.17[5920]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set [ 85.500834][ T5920] loop0: detected capacity change from 0 to 128 [ 85.531907][ T5920] [ 85.534273][ T5920] ====================================================== [ 85.541386][ T5920] WARNING: possible circular locking dependency detected [ 85.548399][ T5920] syzkaller #0 Not tainted [ 85.552792][ T5920] ------------------------------------------------------ [ 85.559891][ T5920] syz.0.17/5920 is trying to acquire lock: [ 85.565780][ T5920] ffffffff8ca648e8 (bdev_lock){+.+.}-{3:3}, at: bd_prepare_to_claim+0x1ba/0x480 [ 85.574917][ T5920] [ 85.574917][ T5920] but task is already holding lock: [ 85.582677][ T5920] ffff888148c8a040 (mapping.invalidate_lock){++++}-{3:3}, at: blkdev_fallocate+0x22b/0x6a0 [ 85.592962][ T5920] [ 85.592962][ T5920] which lock already depends on the new lock. [ 85.592962][ T5920] [ 85.603363][ T5920] [ 85.603363][ T5920] the existing dependency chain (in reverse order) is: [ 85.612466][ T5920] [ 85.612466][ T5920] -> #4 (mapping.invalidate_lock){++++}-{3:3}: [ 85.620999][ T5920] down_write+0x97/0x1f0 [ 85.625949][ T5920] set_blocksize+0x249/0x4b0 [ 85.631061][ T5920] sb_min_blocksize+0xbe/0x190 [ 85.636517][ T5920] ext4_fill_super+0x6df/0x66c0 [ 85.641909][ T5920] get_tree_bdev+0x3e4/0x510 [ 85.647195][ T5920] vfs_get_tree+0x8c/0x280 [ 85.652134][ T5920] do_new_mount+0x24b/0xa40 [ 85.657245][ T5920] init_mount+0xd2/0x120 [ 85.662109][ T5920] do_mount_root+0x97/0x230 [ 85.667311][ T5920] mount_root_generic+0x195/0x3c0 [ 85.672882][ T5920] prepare_namespace+0xc2/0x100 [ 85.678276][ T5920] kernel_init_freeable+0x413/0x570 [ 85.684043][ T5920] kernel_init+0x1d/0x1c0 [ 85.688991][ T5920] ret_from_fork+0x48/0x80 [ 85.694456][ T5920] ret_from_fork_asm+0x11/0x20 [ 85.699930][ T5920] [ 85.699930][ T5920] -> #3 (&sb->s_type->i_mutex_key#8){++++}-{3:3}: [ 85.708632][ T5920] down_write+0x97/0x1f0 [ 85.713402][ T5920] set_blocksize+0x201/0x4b0 [ 85.718607][ T5920] sb_min_blocksize+0xbe/0x190 [ 85.723909][ T5920] fat_fill_super+0x1b21/0x4c00 [ 85.729474][ T5920] mount_bdev+0x22b/0x2d0 [ 85.734697][ T5920] legacy_get_tree+0xea/0x180 [ 85.739907][ T5920] vfs_get_tree+0x8c/0x280 [ 85.744866][ T5920] do_new_mount+0x24b/0xa40 [ 85.749977][ T5920] __se_sys_mount+0x2da/0x3c0 [ 85.755181][ T5920] do_syscall_64+0x55/0xb0 [ 85.760208][ T5920] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 85.766639][ T5920] [ 85.766639][ T5920] -> #2 (&type->s_umount_key#56){++++}-{3:3}: [ 85.775081][ T5920] down_read+0x46/0x2e0 [ 85.779759][ T5920] super_lock+0x167/0x360 [ 85.784614][ T5920] fs_bdev_sync+0xa4/0x170 [ 85.789554][ T5920] blkdev_common_ioctl+0x881/0x2460 [ 85.795453][ T5920] blkdev_ioctl+0x4eb/0x6f0 [ 85.800480][ T5920] __se_sys_ioctl+0xfd/0x170 [ 85.805596][ T5920] do_syscall_64+0x55/0xb0 [ 85.810534][ T5920] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 85.816975][ T5920] [ 85.816975][ T5920] -> #1 (&bdev->bd_holder_lock){+.+.}-{3:3}: [ 85.825156][ T5920] __mutex_lock+0x129/0xcc0 [ 85.830188][ T5920] bd_finish_claiming+0x22f/0x3f0 [ 85.835737][ T5920] blkdev_get_by_dev+0x45c/0x600 [ 85.841288][ T5920] bdev_open_by_dev+0x77/0x100 [ 85.846750][ T5920] setup_bdev_super+0x59/0x660 [ 85.852240][ T5920] mount_bdev+0x1dd/0x2d0 [ 85.857094][ T5920] legacy_get_tree+0xea/0x180 [ 85.862304][ T5920] vfs_get_tree+0x8c/0x280 [ 85.867423][ T5920] do_new_mount+0x24b/0xa40 [ 85.872543][ T5920] init_mount+0xd2/0x120 [ 85.877318][ T5920] do_mount_root+0x97/0x230 [ 85.882431][ T5920] mount_root_generic+0x195/0x3c0 [ 85.888070][ T5920] prepare_namespace+0xc2/0x100 [ 85.893730][ T5920] kernel_init_freeable+0x413/0x570 [ 85.899539][ T5920] kernel_init+0x1d/0x1c0 [ 85.904437][ T5920] ret_from_fork+0x48/0x80 [ 85.909380][ T5920] ret_from_fork_asm+0x11/0x20 [ 85.914680][ T5920] [ 85.914680][ T5920] -> #0 (bdev_lock){+.+.}-{3:3}: [ 85.921894][ T5920] __lock_acquire+0x2ddb/0x7c80 [ 85.927357][ T5920] lock_acquire+0x197/0x410 [ 85.932474][ T5920] __mutex_lock+0x129/0xcc0 [ 85.937620][ T5920] bd_prepare_to_claim+0x1ba/0x480 [ 85.943341][ T5920] truncate_bdev_range+0x4e/0x260 [ 85.949067][ T5920] blkdev_fallocate+0x50d/0x6a0 [ 85.954441][ T5920] vfs_fallocate+0x58e/0x700 [ 85.959759][ T5920] __x64_sys_fallocate+0xc1/0x110 [ 85.965488][ T5920] do_syscall_64+0x55/0xb0 [ 85.970425][ T5920] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 85.976851][ T5920] [ 85.976851][ T5920] other info that might help us debug this: [ 85.976851][ T5920] [ 85.987084][ T5920] Chain exists of: [ 85.987084][ T5920] bdev_lock --> &sb->s_type->i_mutex_key#8 --> mapping.invalidate_lock [ 85.987084][ T5920] [ 86.001660][ T5920] Possible unsafe locking scenario: [ 86.001660][ T5920] [ 86.009105][ T5920] CPU0 CPU1 [ 86.014553][ T5920] ---- ---- [ 86.020016][ T5920] lock(mapping.invalidate_lock); [ 86.025133][ T5920] lock(&sb->s_type->i_mutex_key#8); [ 86.033295][ T5920] lock(mapping.invalidate_lock); [ 86.041110][ T5920] lock(bdev_lock); [ 86.045181][ T5920] [ 86.045181][ T5920] *** DEADLOCK *** [ 86.045181][ T5920] [ 86.053406][ T5920] 2 locks held by syz.0.17/5920: [ 86.058339][ T5920] #0: ffff888148c89eb0 (&sb->s_type->i_mutex_key#8){++++}-{3:3}, at: blkdev_fallocate+0x205/0x6a0 [ 86.069491][ T5920] #1: ffff888148c8a040 (mapping.invalidate_lock){++++}-{3:3}, at: blkdev_fallocate+0x22b/0x6a0 [ 86.079943][ T5920] [ 86.079943][ T5920] stack backtrace: [ 86.086035][ T5920] CPU: 0 PID: 5920 Comm: syz.0.17 Not tainted syzkaller #0 [ 86.093538][ T5920] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 86.103916][ T5920] Call Trace: [ 86.107208][ T5920] [ 86.110145][ T5920] dump_stack_lvl+0x16c/0x230 [ 86.114941][ T5920] ? load_image+0x3b0/0x3b0 [ 86.119983][ T5920] ? show_regs_print_info+0x20/0x20 [ 86.125378][ T5920] ? print_circular_bug+0x12b/0x1a0 [ 86.130620][ T5920] check_noncircular+0x2bd/0x3c0 [ 86.135652][ T5920] ? print_deadlock_bug+0x5d0/0x5d0 [ 86.140992][ T5920] ? lockdep_lock+0xe0/0x220 [ 86.145709][ T5920] ? _find_first_zero_bit+0xd3/0x100 [ 86.151285][ T5920] __lock_acquire+0x2ddb/0x7c80 [ 86.156242][ T5920] ? find_lock_entries+0x104/0xfe0 [ 86.161374][ T5920] ? verify_lock_unused+0x140/0x140 [ 86.166571][ T5920] ? check_noncircular+0x175/0x3c0 [ 86.171781][ T5920] ? print_deadlock_bug+0x5d0/0x5d0 [ 86.177097][ T5920] ? lockdep_lock+0xe0/0x220 [ 86.182153][ T5920] ? lockdep_unlock+0x137/0x2d0 [ 86.187206][ T5920] ? lockdep_lock+0x220/0x220 [ 86.192004][ T5920] lock_acquire+0x197/0x410 [ 86.196745][ T5920] ? bd_prepare_to_claim+0x1ba/0x480 [ 86.202134][ T5920] ? __might_sleep+0xe0/0xe0 [ 86.206945][ T5920] ? read_lock_is_recursive+0x20/0x20 [ 86.212673][ T5920] __mutex_lock+0x129/0xcc0 [ 86.217182][ T5920] ? bd_prepare_to_claim+0x1ba/0x480 [ 86.222475][ T5920] ? bd_prepare_to_claim+0x1ba/0x480 [ 86.227766][ T5920] ? mutex_lock_nested+0x20/0x20 [ 86.232793][ T5920] ? aa_file_perm+0x120/0xec0 [ 86.237579][ T5920] ? invalidate_bdev+0xc0/0xc0 [ 86.242450][ T5920] bd_prepare_to_claim+0x1ba/0x480 [ 86.247781][ T5920] ? invalidate_bdev+0xc0/0xc0 [ 86.252552][ T5920] ? truncate_bdev_range+0x260/0x260 [ 86.258020][ T5920] ? do_futex+0x35d/0x3e0 [ 86.262373][ T5920] ? down_write+0x162/0x1f0 [ 86.266971][ T5920] ? down_read_killable+0x340/0x340 [ 86.272179][ T5920] truncate_bdev_range+0x4e/0x260 [ 86.277295][ T5920] blkdev_fallocate+0x50d/0x6a0 [ 86.282242][ T5920] vfs_fallocate+0x58e/0x700 [ 86.286897][ T5920] __x64_sys_fallocate+0xc1/0x110 [ 86.291925][ T5920] do_syscall_64+0x55/0xb0 [ 86.296429][ T5920] ? clear_bhb_loop+0x40/0x90 [ 86.301113][ T5920] ? clear_bhb_loop+0x40/0x90 [ 86.305794][ T5920] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 86.311777][ T5920] RIP: 0033:0x7f4f3af8f749 [ 86.316299][ T5920] 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 [ 86.336263][ T5920] RSP: 002b:00007ffffdad1288 EFLAGS: 00000246 ORIG_RAX: 000000000000011d [ 86.344800][ T5920] RAX: ffffffffffffffda RBX: 00007f4f3b1e5fa0 RCX: 00007f4f3af8f749 [ 86.352966][ T5920] RDX: 0000000000004000 RSI: 0000000000000010 RDI: 0000000000000004 [ 86.361068][ T5920] RBP: 00007f4f3b013f91 R08: 0000000000000000 R09: 0000000000000000 [ 86.369222][ T5920] R10: 0000000000004000 R11: 0000000000000246 R12: 0000000000000000 [ 86.377466][ T5920] R13: 00007f4f3b1e5fa0 R14: 00007f4f3b1e5fa0 R15: 0000000000000004 SYZFAIL: failed to recv rpc fd=3 want=4 recv=0 n=0 (errno 9: Bad file descriptor) [ 86.385712][ T5920] [ 86.395576][ C0] operation not supported error, dev loop0, sector 32 op 0x9:(WRITE_ZEROES) flags 0x8000800 phys_seg 0 prio class 2