Warning: Permanently added '10.128.1.66' (ED25519) to the list of known hosts.
[   71.412700][ T1422] ieee802154 phy0 wpan0: encryption failed: -22
[   71.419488][ T1422] ieee802154 phy1 wpan1: encryption failed: -22
2025/08/18 13:19:32 ignoring optional flag "sandboxArg"="0"
2025/08/18 13:19:32 ignoring optional flag "type"="gce"
2025/08/18 13:19:33 parsed 1 programs
2025/08/18 13:19:33 executed programs: 0
[   72.236620][ T4428] chnl_net:caif_netlink_parms(): no params data found
[   72.293813][ T4428] bridge0: port 1(bridge_slave_0) entered blocking state
[   72.302384][ T4428] bridge0: port 1(bridge_slave_0) entered disabled state
[   72.310895][ T4428] device bridge_slave_0 entered promiscuous mode
[   72.322426][ T4428] bridge0: port 2(bridge_slave_1) entered blocking state
[   72.329581][ T4428] bridge0: port 2(bridge_slave_1) entered disabled state
[   72.338149][ T4428] device bridge_slave_1 entered promiscuous mode
[   72.369000][ T4428] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[   72.382254][ T4428] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[   72.413388][ T4428] team0: Port device team_slave_0 added
[   72.422809][ T4428] team0: Port device team_slave_1 added
[   72.446602][ T4428] batman_adv: batadv0: Adding interface: batadv_slave_0
[   72.454045][ T4428] 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.
[   72.480633][ T4428] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[   72.493045][ T4428] batman_adv: batadv0: Adding interface: batadv_slave_1
[   72.500329][ T4428] 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.
[   72.527193][ T4428] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[   72.564473][ T4428] device hsr_slave_0 entered promiscuous mode
[   72.571820][ T4428] device hsr_slave_1 entered promiscuous mode
[   73.006366][ T4428] netdevsim netdevsim0 netdevsim0: renamed from eth0
[   73.018231][ T4428] netdevsim netdevsim0 netdevsim1: renamed from eth1
[   73.027598][ T4428] netdevsim netdevsim0 netdevsim2: renamed from eth2
[   73.037498][ T4428] netdevsim netdevsim0 netdevsim3: renamed from eth3
[   73.064000][ T4428] bridge0: port 2(bridge_slave_1) entered blocking state
[   73.071177][ T4428] bridge0: port 2(bridge_slave_1) entered forwarding state
[   73.078642][ T4428] bridge0: port 1(bridge_slave_0) entered blocking state
[   73.085788][ T4428] bridge0: port 1(bridge_slave_0) entered forwarding state
[   73.136774][ T4428] 8021q: adding VLAN 0 to HW filter on device bond0
[   73.152265][ T3050] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[   73.162929][ T3050] bridge0: port 1(bridge_slave_0) entered disabled state
[   73.171217][ T3050] bridge0: port 2(bridge_slave_1) entered disabled state
[   73.179600][ T3050] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready
[   73.193210][ T4428] 8021q: adding VLAN 0 to HW filter on device team0
[   73.207347][ T3050] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[   73.216602][ T3050] bridge0: port 1(bridge_slave_0) entered blocking state
[   73.223911][ T3050] bridge0: port 1(bridge_slave_0) entered forwarding state
[   73.244739][    T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready
[   73.255239][    T9] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[   73.264894][    T9] bridge0: port 2(bridge_slave_1) entered blocking state
[   73.272016][    T9] bridge0: port 2(bridge_slave_1) entered forwarding state
[   73.281340][    T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready
[   73.294045][ T3050] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready
[   73.310253][    T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready
[   73.322478][    T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[   73.331755][    T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready
[   73.342220][    T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[   73.351073][    T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[   73.367335][    T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready
[   73.377160][    T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[   73.390715][    T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready
[   73.400344][    T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[   73.410973][ T4428] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[   73.524782][  T150] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[   73.535057][  T150] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[   73.547910][ T4428] 8021q: adding VLAN 0 to HW filter on device batadv0
[   73.569088][  T150] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready
[   73.578685][  T150] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready
[   73.600061][ T3050] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready
[   73.608708][ T3050] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready
[   73.625106][ T4428] device veth0_vlan entered promiscuous mode
[   73.632070][ T3050] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready
[   73.639988][ T3050] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready
[   73.654045][ T4428] device veth1_vlan entered promiscuous mode
[   73.675558][ T3050] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready
[   73.684305][ T3050] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready
[   73.694184][ T3050] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready
[   73.703744][ T3050] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready
[   73.715928][ T4428] device veth0_macvtap entered promiscuous mode
[   73.727678][ T4428] device veth1_macvtap entered promiscuous mode
[   73.745956][ T4428] batman_adv: batadv0: Interface activated: batadv_slave_0
[   73.753836][ T3050] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready
[   73.762377][ T3050] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready
[   73.772095][ T3050] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready
[   73.781490][ T3050] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready
[   73.795998][ T4428] batman_adv: batadv0: Interface activated: batadv_slave_1
[   73.806846][    T9] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready
[   73.817842][    T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
[   73.828644][ T4428] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
[   73.839015][ T4428] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
[   73.848844][ T4428] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
[   73.857956][ T4428] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
[   73.915393][    T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[   73.931127][    T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[   73.942569][  T150] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[   73.954179][ T3050] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[   73.963822][  T150] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[   73.974379][ T3050] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
[   74.025248][ T4536] loop0: detected capacity change from 0 to 64
[   74.061196][ T4536] hfs: unable to locate alternate MDB
[   74.066806][ T4536] hfs: continuing without an alternate MDB
[   74.127497][ T4536] FAULT_INJECTION: forcing a failure.
[   74.127497][ T4536] name fail_usercopy, interval 1, probability 0, space 0, times 1
[   74.141961][ T4536] CPU: 1 PID: 4536 Comm: syz-executor.0 Not tainted 5.15.189-syzkaller #0
[   74.150495][ T4536] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[   74.160875][ T4536] Call Trace:
[   74.164326][ T4536]  <TASK>
[   74.167269][ T4536]  dump_stack_lvl+0x168/0x230
[   74.171997][ T4536]  ? show_regs_print_info+0x20/0x20
[   74.177312][ T4536]  ? load_image+0x3b0/0x3b0
[   74.181927][ T4536]  ? hfs_free_extents+0x430/0x430
[   74.187132][ T4536]  ? page_zero_new_buffers+0x490/0x490
[   74.192610][ T4536]  ? lockdep_hardirqs_on_prepare+0x3fc/0x760
[   74.198753][ T4536]  ? lock_chain_count+0x20/0x20
[   74.203629][ T4536]  should_fail+0x38c/0x4c0
[   74.208066][ T4536]  copy_page_from_iter_atomic+0x436/0x1520
[   74.214080][ T4536]  ? pipe_zero+0x370/0x370
[   74.218523][ T4536]  ? __get_user_nocheck_1+0x6/0x10
[   74.223665][ T4536]  ? hfs_write_begin+0x92/0xe0
[   74.228465][ T4536]  ? hfs_free_extents+0x430/0x430
[   74.233510][ T4536]  ? hfs_write_begin+0xac/0xe0
[   74.238349][ T4536]  generic_perform_write+0x2ff/0x530
[   74.243695][ T4536]  ? __mark_inode_dirty+0x78b/0xc60
[   74.248925][ T4536]  ? grab_cache_page_write_begin+0xa0/0xa0
[   74.254747][ T4536]  ? file_remove_privs+0x590/0x590
[   74.259967][ T4536]  ? read_lock_is_recursive+0x10/0x10
[   74.265366][ T4536]  ? preempt_count_add+0x8d/0x190
[   74.270425][ T4536]  ? rwsem_write_trylock+0x12f/0x1b0
[   74.275855][ T4536]  ? clear_nonspinnable+0x60/0x60
[   74.281020][ T4536]  __generic_file_write_iter+0x25f/0x4e0
[   74.286682][ T4536]  generic_file_write_iter+0xa6/0x1b0
[   74.292124][ T4536]  vfs_write+0x712/0xd00
[   74.296402][ T4536]  ? file_end_write+0x250/0x250
[   74.301618][ T4536]  ? __fget_files+0x40f/0x480
[   74.306319][ T4536]  ? mutex_lock_nested+0x17/0x20
[   74.311374][ T4536]  ? __fdget_pos+0x2bf/0x370
[   74.316143][ T4536]  ? ksys_write+0x71/0x250
[   74.320706][ T4536]  ksys_write+0x14d/0x250
[   74.325673][ T4536]  ? __ia32_sys_read+0x80/0x80
[   74.330728][ T4536]  ? lockdep_hardirqs_on+0x94/0x140
[   74.335959][ T4536]  do_syscall_64+0x4c/0xa0
[   74.340681][ T4536]  ? clear_bhb_loop+0x30/0x80
[   74.345446][ T4536]  ? clear_bhb_loop+0x30/0x80
[   74.350145][ T4536]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   74.356163][ T4536] RIP: 0033:0x7fcffd87f959
[   74.360693][ T4536] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
[   74.380307][ T4536] RSP: 002b:00007fcffcc010c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   74.388821][ T4536] RAX: ffffffffffffffda RBX: 00007fcffd99ef80 RCX: 00007fcffd87f959
[   74.397071][ T4536] RDX: 00000000000ffe00 RSI: 0000000020004200 RDI: 0000000000000004
[   74.405350][ T4536] RBP: 00007fcffcc01120 R08: 0000000000000000 R09: 0000000000000000
[   74.413345][ T4536] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[   74.421325][ T4536] R13: 000000000000000b R14: 00007fcffd99ef80 R15: 00007ffc39629758
[   74.429592][ T4536]  </TASK>
[   74.438016][   T23] Bluetooth: hci0: command 0x0409 tx timeout
[   74.540332][ T4562] loop0: detected capacity change from 0 to 64
[   74.551451][ T4562] hfs: unable to locate alternate MDB
[   74.556852][ T4562] hfs: continuing without an alternate MDB
[   74.583373][ T4562] FAULT_INJECTION: forcing a failure.
[   74.583373][ T4562] name fail_page_alloc, interval 1, probability 0, space 0, times 1
[   74.597808][ T4562] CPU: 1 PID: 4562 Comm: syz-executor.0 Not tainted 5.15.189-syzkaller #0
[   74.606521][ T4562] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[   74.616758][ T4562] Call Trace:
[   74.620045][ T4562]  <TASK>
[   74.622991][ T4562]  dump_stack_lvl+0x168/0x230
[   74.627769][ T4562]  ? show_regs_print_info+0x20/0x20
[   74.633079][ T4562]  ? load_image+0x3b0/0x3b0
[   74.637620][ T4562]  ? __lock_acquire+0x7c60/0x7c60
[   74.642677][ T4562]  should_fail+0x38c/0x4c0
[   74.647116][ T4562]  prepare_alloc_pages+0x1e4/0x5f0
[   74.652477][ T4562]  __alloc_pages+0x10e/0x470
[   74.657225][ T4562]  ? zone_statistics+0x170/0x170
[   74.662187][ T4562]  ? do_raw_spin_lock+0x11d/0x280
[   74.667233][ T4562]  ? alloc_pages+0x438/0x550
[   74.671846][ T4562]  __page_cache_alloc+0xd2/0x3f0
[   74.676800][ T4562]  ? add_to_page_cache_lru+0x4a0/0x4a0
[   74.682420][ T4562]  ? xas_descend+0x210/0x3b0
[   74.687115][ T4562]  ? xas_load+0x127/0x140
[   74.691553][ T4562]  pagecache_get_page+0x986/0xef0
[   74.696606][ T4562]  ? page_cache_prev_miss+0x360/0x360
[   74.701988][ T4562]  ? mark_lock+0x94/0x320
[   74.706377][ T4562]  ? lockdep_hardirqs_on_prepare+0x3fc/0x760
[   74.712558][ T4562]  ? lock_chain_count+0x20/0x20
[   74.717671][ T4562]  ? do_user_addr_fault+0x694/0xc80
[   74.722891][ T4562]  grab_cache_page_write_begin+0x5c/0xa0
[   74.728629][ T4562]  cont_write_begin+0x56a/0x7b0
[   74.733580][ T4562]  ? lockdep_hardirqs_on+0x94/0x140
[   74.738895][ T4562]  ? generic_cont_expand_simple+0x190/0x190
[   74.745122][ T4562]  ? __get_user_nocheck_1+0x6/0x10
[   74.750273][ T4562]  hfs_write_begin+0x92/0xe0
[   74.754894][ T4562]  ? hfs_free_extents+0x430/0x430
[   74.759932][ T4562]  generic_perform_write+0x2aa/0x530
[   74.765241][ T4562]  ? __mark_inode_dirty+0x78b/0xc60
[   74.770474][ T4562]  ? grab_cache_page_write_begin+0xa0/0xa0
[   74.776308][ T4562]  ? file_remove_privs+0x590/0x590
[   74.781523][ T4562]  ? read_lock_is_recursive+0x10/0x10
[   74.786910][ T4562]  ? preempt_count_add+0x8d/0x190
[   74.791959][ T4562]  ? rwsem_write_trylock+0x12f/0x1b0
[   74.797342][ T4562]  ? clear_nonspinnable+0x60/0x60
[   74.802471][ T4562]  __generic_file_write_iter+0x25f/0x4e0
[   74.808123][ T4562]  generic_file_write_iter+0xa6/0x1b0
[   74.813570][ T4562]  vfs_write+0x712/0xd00
[   74.818201][ T4562]  ? file_end_write+0x250/0x250
[   74.823248][ T4562]  ? __fget_files+0x40f/0x480
[   74.828143][ T4562]  ? mutex_lock_nested+0x17/0x20
[   74.833283][ T4562]  ? __fdget_pos+0x2bf/0x370
[   74.837979][ T4562]  ? ksys_write+0x71/0x250
[   74.842542][ T4562]  ksys_write+0x14d/0x250
[   74.847025][ T4562]  ? __ia32_sys_read+0x80/0x80
[   74.851998][ T4562]  ? lockdep_hardirqs_on+0x94/0x140
[   74.857225][ T4562]  do_syscall_64+0x4c/0xa0
[   74.861926][ T4562]  ? clear_bhb_loop+0x30/0x80
[   74.866700][ T4562]  ? clear_bhb_loop+0x30/0x80
[   74.871392][ T4562]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   74.877743][ T4562] RIP: 0033:0x7fcffd87f959
[   74.882167][ T4562] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
[   74.902079][ T4562] RSP: 002b:00007fcffcc010c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   74.910589][ T4562] RAX: ffffffffffffffda RBX: 00007fcffd99ef80 RCX: 00007fcffd87f959
[   74.918794][ T4562] RDX: 00000000000ffe00 RSI: 0000000020004200 RDI: 0000000000000004
[   74.927083][ T4562] RBP: 00007fcffcc01120 R08: 0000000000000000 R09: 0000000000000000
[   74.935068][ T4562] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[   74.943190][ T4562] R13: 000000000000000b R14: 00007fcffd99ef80 R15: 00007ffc39629758
[   74.951185][ T4562]  </TASK>
[   75.044102][ T4588] loop0: detected capacity change from 0 to 64
[   75.059820][ T4588] hfs: unable to locate alternate MDB
[   75.076489][ T4588] hfs: continuing without an alternate MDB
[   75.112744][ T4588] FAULT_INJECTION: forcing a failure.
[   75.112744][ T4588] name fail_usercopy, interval 1, probability 0, space 0, times 0
[   75.126226][ T4588] CPU: 0 PID: 4588 Comm: syz-executor.0 Not tainted 5.15.189-syzkaller #0
[   75.134745][ T4588] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[   75.144808][ T4588] Call Trace:
[   75.148118][ T4588]  <TASK>
[   75.151151][ T4588]  dump_stack_lvl+0x168/0x230
[   75.155959][ T4588]  ? show_regs_print_info+0x20/0x20
[   75.161178][ T4588]  ? load_image+0x3b0/0x3b0
[   75.165700][ T4588]  ? hfs_free_extents+0x430/0x430
[   75.170761][ T4588]  ? page_zero_new_buffers+0x490/0x490
[   75.176235][ T4588]  ? lockdep_hardirqs_on_prepare+0x3fc/0x760
[   75.182236][ T4588]  ? lock_chain_count+0x20/0x20
[   75.187122][ T4588]  should_fail+0x38c/0x4c0
[   75.191736][ T4588]  copy_page_from_iter_atomic+0x436/0x1520
[   75.197677][ T4588]  ? pipe_zero+0x370/0x370
[   75.202617][ T4588]  ? __get_user_nocheck_1+0x6/0x10
[   75.207921][ T4588]  ? hfs_write_begin+0x92/0xe0
[   75.212695][ T4588]  ? hfs_free_extents+0x430/0x430
[   75.217834][ T4588]  ? hfs_write_begin+0xac/0xe0
[   75.222613][ T4588]  generic_perform_write+0x2ff/0x530
[   75.228175][ T4588]  ? __mark_inode_dirty+0x78b/0xc60
[   75.233537][ T4588]  ? grab_cache_page_write_begin+0xa0/0xa0
[   75.239375][ T4588]  ? file_remove_privs+0x590/0x590
[   75.244908][ T4588]  ? read_lock_is_recursive+0x10/0x10
[   75.250383][ T4588]  ? preempt_count_add+0x8d/0x190
[   75.255707][ T4588]  ? rwsem_write_trylock+0x12f/0x1b0
[   75.261471][ T4588]  ? clear_nonspinnable+0x60/0x60
[   75.266515][ T4588]  __generic_file_write_iter+0x25f/0x4e0
[   75.272166][ T4588]  generic_file_write_iter+0xa6/0x1b0
[   75.277728][ T4588]  vfs_write+0x712/0xd00
[   75.281989][ T4588]  ? file_end_write+0x250/0x250
[   75.286863][ T4588]  ? __fget_files+0x40f/0x480
[   75.291559][ T4588]  ? mutex_lock_nested+0x17/0x20
[   75.296522][ T4588]  ? __fdget_pos+0x2bf/0x370
[   75.301207][ T4588]  ? ksys_write+0x71/0x250
[   75.305643][ T4588]  ksys_write+0x14d/0x250
[   75.310162][ T4588]  ? __ia32_sys_read+0x80/0x80
[   75.314949][ T4588]  ? lockdep_hardirqs_on+0x94/0x140
[   75.320161][ T4588]  do_syscall_64+0x4c/0xa0
[   75.324590][ T4588]  ? clear_bhb_loop+0x30/0x80
[   75.329331][ T4588]  ? clear_bhb_loop+0x30/0x80
[   75.334034][ T4588]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   75.339943][ T4588] RIP: 0033:0x7fcffd87f959
[   75.344371][ T4588] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
[   75.364522][ T4588] RSP: 002b:00007fcffcc010c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   75.373301][ T4588] RAX: ffffffffffffffda RBX: 00007fcffd99ef80 RCX: 00007fcffd87f959
[   75.381289][ T4588] RDX: 00000000000ffe00 RSI: 0000000020004200 RDI: 0000000000000004
[   75.389456][ T4588] RBP: 00007fcffcc01120 R08: 0000000000000000 R09: 0000000000000000
[   75.397558][ T4588] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[   75.405650][ T4588] R13: 000000000000000b R14: 00007fcffd99ef80 R15: 00007ffc39629758
[   75.413644][ T4588]  </TASK>
[   75.517689][ T4612] loop0: detected capacity change from 0 to 64
[   75.542988][ T4612] hfs: unable to locate alternate MDB
[   75.549001][ T4612] hfs: continuing without an alternate MDB
[   75.582616][ T4612] FAULT_INJECTION: forcing a failure.
[   75.582616][ T4612] name fail_usercopy, interval 1, probability 0, space 0, times 0
[   75.595870][ T4612] CPU: 1 PID: 4612 Comm: syz-executor.0 Not tainted 5.15.189-syzkaller #0
[   75.604466][ T4612] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[   75.614635][ T4612] Call Trace:
[   75.617930][ T4612]  <TASK>
[   75.620881][ T4612]  dump_stack_lvl+0x168/0x230
[   75.625674][ T4612]  ? show_regs_print_info+0x20/0x20
[   75.630994][ T4612]  ? load_image+0x3b0/0x3b0
[   75.635693][ T4612]  ? hfs_free_extents+0x430/0x430
[   75.640910][ T4612]  ? page_zero_new_buffers+0x490/0x490
[   75.646467][ T4612]  ? lockdep_hardirqs_on_prepare+0x3fc/0x760
[   75.652478][ T4612]  ? lock_chain_count+0x20/0x20
[   75.657471][ T4612]  should_fail+0x38c/0x4c0
[   75.662264][ T4612]  copy_page_from_iter_atomic+0x436/0x1520
[   75.668101][ T4612]  ? pipe_zero+0x370/0x370
[   75.672532][ T4612]  ? __get_user_nocheck_1+0x6/0x10
[   75.677656][ T4612]  ? hfs_write_begin+0x92/0xe0
[   75.682614][ T4612]  ? hfs_free_extents+0x430/0x430
[   75.687693][ T4612]  ? hfs_write_begin+0xac/0xe0
[   75.692704][ T4612]  generic_perform_write+0x2ff/0x530
[   75.698415][ T4612]  ? __mark_inode_dirty+0x78b/0xc60
[   75.703640][ T4612]  ? grab_cache_page_write_begin+0xa0/0xa0
[   75.709499][ T4612]  ? file_remove_privs+0x590/0x590
[   75.714664][ T4612]  ? read_lock_is_recursive+0x10/0x10
[   75.720197][ T4612]  ? preempt_count_add+0x8d/0x190
[   75.725535][ T4612]  ? rwsem_write_trylock+0x12f/0x1b0
[   75.730809][ T4612]  ? clear_nonspinnable+0x60/0x60
[   75.735845][ T4612]  __generic_file_write_iter+0x25f/0x4e0
[   75.741466][ T4612]  generic_file_write_iter+0xa6/0x1b0
[   75.746833][ T4612]  vfs_write+0x712/0xd00
[   75.751061][ T4612]  ? file_end_write+0x250/0x250
[   75.755901][ T4612]  ? __fget_files+0x40f/0x480
[   75.760581][ T4612]  ? mutex_lock_nested+0x17/0x20
[   75.765501][ T4612]  ? __fdget_pos+0x2bf/0x370
[   75.770190][ T4612]  ? ksys_write+0x71/0x250
[   75.774607][ T4612]  ksys_write+0x14d/0x250
[   75.778925][ T4612]  ? __ia32_sys_read+0x80/0x80
[   75.783676][ T4612]  ? lockdep_hardirqs_on+0x94/0x140
[   75.788867][ T4612]  do_syscall_64+0x4c/0xa0
[   75.793312][ T4612]  ? clear_bhb_loop+0x30/0x80
[   75.797974][ T4612]  ? clear_bhb_loop+0x30/0x80
[   75.802732][ T4612]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   75.808620][ T4612] RIP: 0033:0x7fcffd87f959
[   75.813317][ T4612] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
[   75.832905][ T4612] RSP: 002b:00007fcffcc010c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   75.841422][ T4612] RAX: ffffffffffffffda RBX: 00007fcffd99ef80 RCX: 00007fcffd87f959
[   75.850139][ T4612] RDX: 00000000000ffe00 RSI: 0000000020004200 RDI: 0000000000000004
[   75.858122][ T4612] RBP: 00007fcffcc01120 R08: 0000000000000000 R09: 0000000000000000
[   75.866167][ T4612] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[   75.874213][ T4612] R13: 000000000000000b R14: 00007fcffd99ef80 R15: 00007ffc39629758
[   75.882370][ T4612]  </TASK>
[   75.982503][ T4628] loop0: detected capacity change from 0 to 64
[   76.004232][ T4628] hfs: unable to locate alternate MDB
[   76.015191][ T4628] hfs: continuing without an alternate MDB
[   76.053060][ T4628] FAULT_INJECTION: forcing a failure.
[   76.053060][ T4628] name fail_usercopy, interval 1, probability 0, space 0, times 0
[   76.066738][ T4628] CPU: 0 PID: 4628 Comm: syz-executor.0 Not tainted 5.15.189-syzkaller #0
[   76.075537][ T4628] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[   76.085600][ T4628] Call Trace:
[   76.088880][ T4628]  <TASK>
[   76.091821][ T4628]  dump_stack_lvl+0x168/0x230
[   76.096511][ T4628]  ? show_regs_print_info+0x20/0x20
[   76.101811][ T4628]  ? load_image+0x3b0/0x3b0
[   76.106333][ T4628]  ? hfs_free_extents+0x430/0x430
[   76.111471][ T4628]  ? page_zero_new_buffers+0x490/0x490
[   76.117022][ T4628]  ? lockdep_hardirqs_on_prepare+0x3fc/0x760
[   76.123105][ T4628]  ? lock_chain_count+0x20/0x20
[   76.128167][ T4628]  should_fail+0x38c/0x4c0
[   76.132883][ T4628]  copy_page_from_iter_atomic+0x436/0x1520
[   76.138975][ T4628]  ? pipe_zero+0x370/0x370
[   76.143601][ T4628]  ? __get_user_nocheck_1+0x6/0x10
[   76.148920][ T4628]  ? hfs_write_begin+0x92/0xe0
[   76.153897][ T4628]  ? hfs_free_extents+0x430/0x430
[   76.159394][ T4628]  ? hfs_write_begin+0xac/0xe0
[   76.164304][ T4628]  generic_perform_write+0x2ff/0x530
[   76.169609][ T4628]  ? __mark_inode_dirty+0x78b/0xc60
[   76.174863][ T4628]  ? grab_cache_page_write_begin+0xa0/0xa0
[   76.180777][ T4628]  ? file_remove_privs+0x590/0x590
[   76.186024][ T4628]  ? read_lock_is_recursive+0x10/0x10
[   76.191596][ T4628]  ? preempt_count_add+0x8d/0x190
[   76.196646][ T4628]  ? rwsem_write_trylock+0x12f/0x1b0
[   76.201949][ T4628]  ? clear_nonspinnable+0x60/0x60
[   76.207097][ T4628]  __generic_file_write_iter+0x25f/0x4e0
[   76.212751][ T4628]  generic_file_write_iter+0xa6/0x1b0
[   76.218144][ T4628]  vfs_write+0x712/0xd00
[   76.222504][ T4628]  ? file_end_write+0x250/0x250
[   76.227474][ T4628]  ? __fget_files+0x40f/0x480
[   76.232175][ T4628]  ? mutex_lock_nested+0x17/0x20
[   76.237279][ T4628]  ? __fdget_pos+0x2bf/0x370
[   76.241983][ T4628]  ? ksys_write+0x71/0x250
[   76.246737][ T4628]  ksys_write+0x14d/0x250
[   76.251177][ T4628]  ? __ia32_sys_read+0x80/0x80
[   76.256488][ T4628]  ? lockdep_hardirqs_on+0x94/0x140
[   76.261708][ T4628]  do_syscall_64+0x4c/0xa0
[   76.266248][ T4628]  ? clear_bhb_loop+0x30/0x80
[   76.271289][ T4628]  ? clear_bhb_loop+0x30/0x80
[   76.275979][ T4628]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   76.281937][ T4628] RIP: 0033:0x7fcffd87f959
[   76.286540][ T4628] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
[   76.306237][ T4628] RSP: 002b:00007fcffcc010c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   76.314823][ T4628] RAX: ffffffffffffffda RBX: 00007fcffd99ef80 RCX: 00007fcffd87f959
[   76.322829][ T4628] RDX: 00000000000ffe00 RSI: 0000000020004200 RDI: 0000000000000004
[   76.331280][ T4628] RBP: 00007fcffcc01120 R08: 0000000000000000 R09: 0000000000000000
[   76.339526][ T4628] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[   76.347505][ T4628] R13: 000000000000000b R14: 00007fcffd99ef80 R15: 00007ffc39629758
[   76.355797][ T4628]  </TASK>
[   76.452171][ T4186] Bluetooth: hci0: command 0x041b tx timeout
[   76.511611][ T4643] loop0: detected capacity change from 0 to 64
[   76.522880][ T4643] hfs: unable to locate alternate MDB
[   76.529347][ T4643] hfs: continuing without an alternate MDB
[   76.542134][   T21] cfg80211: failed to load regulatory.db
[   76.582967][ T4643] FAULT_INJECTION: forcing a failure.
[   76.582967][ T4643] name fail_page_alloc, interval 1, probability 0, space 0, times 0
[   76.619991][ T4643] CPU: 0 PID: 4643 Comm: syz-executor.0 Not tainted 5.15.189-syzkaller #0
[   76.628878][ T4643] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[   76.639222][ T4643] Call Trace:
[   76.642610][ T4643]  <TASK>
[   76.645671][ T4643]  dump_stack_lvl+0x168/0x230
[   76.650373][ T4643]  ? show_regs_print_info+0x20/0x20
[   76.655721][ T4643]  ? load_image+0x3b0/0x3b0
[   76.660339][ T4643]  ? __lock_acquire+0x7c60/0x7c60
[   76.665473][ T4643]  should_fail+0x38c/0x4c0
[   76.669909][ T4643]  prepare_alloc_pages+0x1e4/0x5f0
[   76.675044][ T4643]  __alloc_pages+0x10e/0x470
[   76.679650][ T4643]  ? zone_statistics+0x170/0x170
[   76.684617][ T4643]  ? do_raw_spin_lock+0x11d/0x280
[   76.689673][ T4643]  ? alloc_pages+0x438/0x550
[   76.694370][ T4643]  __page_cache_alloc+0xd2/0x3f0
[   76.699338][ T4643]  ? add_to_page_cache_lru+0x4a0/0x4a0
[   76.704816][ T4643]  ? xas_descend+0x210/0x3b0
[   76.709511][ T4643]  ? xas_load+0x127/0x140
[   76.713858][ T4643]  pagecache_get_page+0x986/0xef0
[   76.718999][ T4643]  ? page_cache_prev_miss+0x360/0x360
[   76.724504][ T4643]  ? mark_lock+0x94/0x320
[   76.728946][ T4643]  ? lockdep_hardirqs_on_prepare+0x3fc/0x760
[   76.734954][ T4643]  ? lock_chain_count+0x20/0x20
[   76.739999][ T4643]  ? do_user_addr_fault+0x694/0xc80
[   76.745362][ T4643]  grab_cache_page_write_begin+0x5c/0xa0
[   76.751107][ T4643]  cont_write_begin+0x56a/0x7b0
[   76.756185][ T4643]  ? lockdep_hardirqs_on+0x94/0x140
[   76.761671][ T4643]  ? generic_cont_expand_simple+0x190/0x190
[   76.767724][ T4643]  ? __get_user_nocheck_1+0x6/0x10
[   76.772945][ T4643]  hfs_write_begin+0x92/0xe0
[   76.777548][ T4643]  ? hfs_free_extents+0x430/0x430
[   76.782614][ T4643]  generic_perform_write+0x2aa/0x530
[   76.787920][ T4643]  ? __mark_inode_dirty+0x78b/0xc60
[   76.793151][ T4643]  ? grab_cache_page_write_begin+0xa0/0xa0
[   76.798984][ T4643]  ? file_remove_privs+0x590/0x590
[   76.804110][ T4643]  ? read_lock_is_recursive+0x10/0x10
[   76.809566][ T4643]  ? preempt_count_add+0x8d/0x190
[   76.814708][ T4643]  ? rwsem_write_trylock+0x12f/0x1b0
[   76.820100][ T4643]  ? clear_nonspinnable+0x60/0x60
[   76.825318][ T4643]  __generic_file_write_iter+0x25f/0x4e0
[   76.831017][ T4643]  generic_file_write_iter+0xa6/0x1b0
[   76.836425][ T4643]  vfs_write+0x712/0xd00
[   76.840923][ T4643]  ? file_end_write+0x250/0x250
[   76.845802][ T4643]  ? __fget_files+0x40f/0x480
[   76.850675][ T4643]  ? mutex_lock_nested+0x17/0x20
[   76.855630][ T4643]  ? __fdget_pos+0x2bf/0x370
[   76.860228][ T4643]  ? ksys_write+0x71/0x250
[   76.864657][ T4643]  ksys_write+0x14d/0x250
[   76.868999][ T4643]  ? __ia32_sys_read+0x80/0x80
[   76.873828][ T4643]  ? lockdep_hardirqs_on+0x94/0x140
[   76.879132][ T4643]  do_syscall_64+0x4c/0xa0
[   76.883563][ T4643]  ? clear_bhb_loop+0x30/0x80
[   76.888357][ T4643]  ? clear_bhb_loop+0x30/0x80
[   76.893055][ T4643]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   76.899035][ T4643] RIP: 0033:0x7fcffd87f959
[   76.903469][ T4643] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
[   76.923481][ T4643] RSP: 002b:00007fcffcc010c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   76.932255][ T4643] RAX: ffffffffffffffda RBX: 00007fcffd99ef80 RCX: 00007fcffd87f959
[   76.940519][ T4643] RDX: 00000000000ffe00 RSI: 0000000020004200 RDI: 0000000000000004
[   76.948512][ T4643] RBP: 00007fcffcc01120 R08: 0000000000000000 R09: 0000000000000000
[   76.956581][ T4643] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[   76.964564][ T4643] R13: 000000000000000b R14: 00007fcffd99ef80 R15: 00007ffc39629758
[   76.972566][ T4643]  </TASK>
2025/08/18 13:19:38 executed programs: 6
[   77.455011][ T4690] loop0: detected capacity change from 0 to 64
[   77.470275][ T4690] hfs: unable to locate alternate MDB
[   77.481900][ T4690] hfs: continuing without an alternate MDB
[   77.506043][ T4690] FAULT_INJECTION: forcing a failure.
[   77.506043][ T4690] name fail_usercopy, interval 1, probability 0, space 0, times 0
[   77.519488][ T4690] CPU: 1 PID: 4690 Comm: syz-executor.0 Not tainted 5.15.189-syzkaller #0
[   77.528004][ T4690] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[   77.538289][ T4690] Call Trace:
[   77.541575][ T4690]  <TASK>
[   77.544517][ T4690]  dump_stack_lvl+0x168/0x230
[   77.549383][ T4690]  ? show_regs_print_info+0x20/0x20
[   77.554616][ T4690]  ? load_image+0x3b0/0x3b0
[   77.559231][ T4690]  ? hfs_free_extents+0x430/0x430
[   77.564283][ T4690]  ? page_zero_new_buffers+0x490/0x490
[   77.569852][ T4690]  ? lockdep_hardirqs_on_prepare+0x3fc/0x760
[   77.576024][ T4690]  ? lock_chain_count+0x20/0x20
[   77.580892][ T4690]  should_fail+0x38c/0x4c0
[   77.585379][ T4690]  copy_page_from_iter_atomic+0x436/0x1520
[   77.591391][ T4690]  ? pipe_zero+0x370/0x370
[   77.595927][ T4690]  ? __get_user_nocheck_1+0x6/0x10
[   77.601472][ T4690]  ? hfs_write_begin+0x92/0xe0
[   77.606338][ T4690]  ? hfs_free_extents+0x430/0x430
[   77.611379][ T4690]  ? hfs_write_begin+0xac/0xe0
[   77.616332][ T4690]  generic_perform_write+0x2ff/0x530
[   77.621729][ T4690]  ? __mark_inode_dirty+0x78b/0xc60
[   77.627110][ T4690]  ? grab_cache_page_write_begin+0xa0/0xa0
[   77.633092][ T4690]  ? file_remove_privs+0x590/0x590
[   77.638227][ T4690]  ? read_lock_is_recursive+0x10/0x10
[   77.643617][ T4690]  ? preempt_count_add+0x8d/0x190
[   77.648830][ T4690]  ? rwsem_write_trylock+0x12f/0x1b0
[   77.654301][ T4690]  ? clear_nonspinnable+0x60/0x60
[   77.659612][ T4690]  __generic_file_write_iter+0x25f/0x4e0
[   77.665274][ T4690]  generic_file_write_iter+0xa6/0x1b0
[   77.670667][ T4690]  vfs_write+0x712/0xd00
[   77.675012][ T4690]  ? file_end_write+0x250/0x250
[   77.679902][ T4690]  ? __fget_files+0x40f/0x480
[   77.684599][ T4690]  ? mutex_lock_nested+0x17/0x20
[   77.689652][ T4690]  ? __fdget_pos+0x2bf/0x370
[   77.694357][ T4690]  ? ksys_write+0x71/0x250
[   77.698792][ T4690]  ksys_write+0x14d/0x250
[   77.703158][ T4690]  ? __ia32_sys_read+0x80/0x80
[   77.708040][ T4690]  ? lockdep_hardirqs_on+0x94/0x140
[   77.713259][ T4690]  do_syscall_64+0x4c/0xa0
[   77.717696][ T4690]  ? clear_bhb_loop+0x30/0x80
[   77.722404][ T4690]  ? clear_bhb_loop+0x30/0x80
[   77.727102][ T4690]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   77.733137][ T4690] RIP: 0033:0x7fcffd87f959
[   77.737743][ T4690] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
[   77.757648][ T4690] RSP: 002b:00007fcffcc010c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   77.766297][ T4690] RAX: ffffffffffffffda RBX: 00007fcffd99ef80 RCX: 00007fcffd87f959
[   77.774294][ T4690] RDX: 00000000000ffe00 RSI: 0000000020004200 RDI: 0000000000000004
[   77.782409][ T4690] RBP: 00007fcffcc01120 R08: 0000000000000000 R09: 0000000000000000
[   77.790913][ T4690] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[   77.799166][ T4690] R13: 000000000000000b R14: 00007fcffd99ef80 R15: 00007ffc39629758
[   77.807529][ T4690]  </TASK>
[   77.915109][ T4715] loop0: detected capacity change from 0 to 64
[   77.926717][ T4715] hfs: unable to locate alternate MDB
[   77.948907][ T4715] hfs: continuing without an alternate MDB
[   77.982327][ T4715] FAULT_INJECTION: forcing a failure.
[   77.982327][ T4715] name fail_usercopy, interval 1, probability 0, space 0, times 0
[   77.995593][ T4715] CPU: 1 PID: 4715 Comm: syz-executor.0 Not tainted 5.15.189-syzkaller #0
[   78.004214][ T4715] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[   78.014284][ T4715] Call Trace:
[   78.017624][ T4715]  <TASK>
[   78.020573][ T4715]  dump_stack_lvl+0x168/0x230
[   78.025267][ T4715]  ? show_regs_print_info+0x20/0x20
[   78.030582][ T4715]  ? load_image+0x3b0/0x3b0
[   78.035293][ T4715]  ? hfs_free_extents+0x430/0x430
[   78.040442][ T4715]  ? page_zero_new_buffers+0x490/0x490
[   78.045922][ T4715]  ? lockdep_hardirqs_on_prepare+0x3fc/0x760
[   78.051918][ T4715]  ? lock_chain_count+0x20/0x20
[   78.056789][ T4715]  should_fail+0x38c/0x4c0
[   78.061224][ T4715]  copy_page_from_iter_atomic+0x436/0x1520
[   78.067072][ T4715]  ? pipe_zero+0x370/0x370
[   78.071775][ T4715]  ? __get_user_nocheck_1+0x6/0x10
[   78.076891][ T4715]  ? hfs_write_begin+0x92/0xe0
[   78.081636][ T4715]  ? hfs_free_extents+0x430/0x430
[   78.086644][ T4715]  ? hfs_write_begin+0xac/0xe0
[   78.091390][ T4715]  generic_perform_write+0x2ff/0x530
[   78.096659][ T4715]  ? __mark_inode_dirty+0x78b/0xc60
[   78.101850][ T4715]  ? grab_cache_page_write_begin+0xa0/0xa0
[   78.107637][ T4715]  ? file_remove_privs+0x590/0x590
[   78.112730][ T4715]  ? read_lock_is_recursive+0x10/0x10
[   78.118083][ T4715]  ? preempt_count_add+0x8d/0x190
[   78.123092][ T4715]  ? rwsem_write_trylock+0x12f/0x1b0
[   78.128455][ T4715]  ? clear_nonspinnable+0x60/0x60
[   78.133474][ T4715]  __generic_file_write_iter+0x25f/0x4e0
[   78.139098][ T4715]  generic_file_write_iter+0xa6/0x1b0
[   78.144627][ T4715]  vfs_write+0x712/0xd00
[   78.148872][ T4715]  ? file_end_write+0x250/0x250
[   78.153795][ T4715]  ? __fget_files+0x40f/0x480
[   78.158468][ T4715]  ? mutex_lock_nested+0x17/0x20
[   78.163388][ T4715]  ? __fdget_pos+0x2bf/0x370
[   78.167958][ T4715]  ? ksys_write+0x71/0x250
[   78.172366][ T4715]  ksys_write+0x14d/0x250
[   78.176765][ T4715]  ? __ia32_sys_read+0x80/0x80
[   78.182043][ T4715]  ? lockdep_hardirqs_on+0x94/0x140
[   78.187404][ T4715]  do_syscall_64+0x4c/0xa0
[   78.191890][ T4715]  ? clear_bhb_loop+0x30/0x80
[   78.196547][ T4715]  ? clear_bhb_loop+0x30/0x80
[   78.201212][ T4715]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   78.207088][ T4715] RIP: 0033:0x7fcffd87f959
[   78.211517][ T4715] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
[   78.231108][ T4715] RSP: 002b:00007fcffcc010c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   78.239511][ T4715] RAX: ffffffffffffffda RBX: 00007fcffd99ef80 RCX: 00007fcffd87f959
[   78.247830][ T4715] RDX: 00000000000ffe00 RSI: 0000000020004200 RDI: 0000000000000004
[   78.255887][ T4715] RBP: 00007fcffcc01120 R08: 0000000000000000 R09: 0000000000000000
[   78.263935][ T4715] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[   78.271894][ T4715] R13: 000000000000000b R14: 00007fcffd99ef80 R15: 00007ffc39629758
[   78.279865][ T4715]  </TASK>
[   78.358457][ T4725] loop0: detected capacity change from 0 to 64
[   78.382253][ T4725] hfs: unable to locate alternate MDB
[   78.395683][ T4725] hfs: continuing without an alternate MDB
[   78.432466][ T4725] FAULT_INJECTION: forcing a failure.
[   78.432466][ T4725] name fail_page_alloc, interval 1, probability 0, space 0, times 0
[   78.446555][ T4725] CPU: 1 PID: 4725 Comm: syz-executor.0 Not tainted 5.15.189-syzkaller #0
[   78.455167][ T4725] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[   78.465237][ T4725] Call Trace:
[   78.468529][ T4725]  <TASK>
[   78.471570][ T4725]  dump_stack_lvl+0x168/0x230
[   78.476274][ T4725]  ? show_regs_print_info+0x20/0x20
[   78.481803][ T4725]  ? load_image+0x3b0/0x3b0
[   78.486327][ T4725]  ? __lock_acquire+0x7c60/0x7c60
[   78.491551][ T4725]  should_fail+0x38c/0x4c0
[   78.495992][ T4725]  prepare_alloc_pages+0x1e4/0x5f0
[   78.501209][ T4725]  __alloc_pages+0x10e/0x470
[   78.506238][ T4725]  ? zone_statistics+0x170/0x170
[   78.511239][ T4725]  ? do_raw_spin_lock+0x11d/0x280
[   78.516569][ T4725]  ? alloc_pages+0x438/0x550
[   78.521369][ T4725]  __page_cache_alloc+0xd2/0x3f0
[   78.526559][ T4725]  ? add_to_page_cache_lru+0x4a0/0x4a0
[   78.532097][ T4725]  ? xas_descend+0x210/0x3b0
[   78.536701][ T4725]  ? xas_load+0x127/0x140
[   78.541314][ T4725]  pagecache_get_page+0x986/0xef0
[   78.546371][ T4725]  ? page_cache_prev_miss+0x360/0x360
[   78.551861][ T4725]  ? mark_lock+0x94/0x320
[   78.556235][ T4725]  ? lockdep_hardirqs_on_prepare+0x3fc/0x760
[   78.562236][ T4725]  ? lock_chain_count+0x20/0x20
[   78.567113][ T4725]  ? do_user_addr_fault+0x694/0xc80
[   78.572328][ T4725]  grab_cache_page_write_begin+0x5c/0xa0
[   78.577973][ T4725]  cont_write_begin+0x56a/0x7b0
[   78.582945][ T4725]  ? lockdep_hardirqs_on+0x94/0x140
[   78.588702][ T4725]  ? generic_cont_expand_simple+0x190/0x190
[   78.594632][ T4725]  ? __get_user_nocheck_1+0x6/0x10
[   78.599772][ T4725]  hfs_write_begin+0x92/0xe0
[   78.604495][ T4725]  ? hfs_free_extents+0x430/0x430
[   78.609541][ T4725]  generic_perform_write+0x2aa/0x530
[   78.614963][ T4725]  ? __mark_inode_dirty+0x78b/0xc60
[   78.620190][ T4725]  ? grab_cache_page_write_begin+0xa0/0xa0
[   78.626024][ T4725]  ? file_remove_privs+0x590/0x590
[   78.631289][ T4725]  ? read_lock_is_recursive+0x10/0x10
[   78.636679][ T4725]  ? preempt_count_add+0x8d/0x190
[   78.641806][ T4725]  ? rwsem_write_trylock+0x12f/0x1b0
[   78.647124][ T4725]  ? clear_nonspinnable+0x60/0x60
[   78.652343][ T4725]  __generic_file_write_iter+0x25f/0x4e0
[   78.658262][ T4725]  generic_file_write_iter+0xa6/0x1b0
[   78.663655][ T4725]  vfs_write+0x712/0xd00
[   78.667929][ T4725]  ? file_end_write+0x250/0x250
[   78.672886][ T4725]  ? __fget_files+0x40f/0x480
[   78.677673][ T4725]  ? mutex_lock_nested+0x17/0x20
[   78.682673][ T4725]  ? __fdget_pos+0x2bf/0x370
[   78.687276][ T4725]  ? ksys_write+0x71/0x250
[   78.691704][ T4725]  ksys_write+0x14d/0x250
[   78.696135][ T4725]  ? __ia32_sys_read+0x80/0x80
[   78.700920][ T4725]  ? lockdep_hardirqs_on+0x94/0x140
[   78.706290][ T4725]  do_syscall_64+0x4c/0xa0
[   78.710807][ T4725]  ? clear_bhb_loop+0x30/0x80
[   78.715529][ T4725]  ? clear_bhb_loop+0x30/0x80
[   78.720306][ T4725]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   78.726225][ T4725] RIP: 0033:0x7fcffd87f959
[   78.731088][ T4725] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
[   78.751064][ T4725] RSP: 002b:00007fcffcc010c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   78.759667][ T4725] RAX: ffffffffffffffda RBX: 00007fcffd99ef80 RCX: 00007fcffd87f959
[   78.767731][ T4725] RDX: 00000000000ffe00 RSI: 0000000020004200 RDI: 0000000000000004
[   78.775897][ T4725] RBP: 00007fcffcc01120 R08: 0000000000000000 R09: 0000000000000000
[   78.783876][ T4725] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[   78.791874][ T4725] R13: 000000000000000b R14: 00007fcffd99ef80 R15: 00007ffc39629758
[   78.799952][ T4725]  </TASK>
[   78.804743][   T21] Bluetooth: hci0: command 0x040f tx timeout
[   78.892209][ T4755] loop0: detected capacity change from 0 to 64
[   78.905257][ T4755] hfs: unable to locate alternate MDB
[   78.911849][ T4755] hfs: continuing without an alternate MDB
[   78.923602][ T4755] FAULT_INJECTION: forcing a failure.
[   78.923602][ T4755] name fail_usercopy, interval 1, probability 0, space 0, times 0
[   78.938086][ T4755] CPU: 1 PID: 4755 Comm: syz-executor.0 Not tainted 5.15.189-syzkaller #0
[   78.946816][ T4755] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[   78.956903][ T4755] Call Trace:
[   78.960199][ T4755]  <TASK>
[   78.963421][ T4755]  dump_stack_lvl+0x168/0x230
[   78.975927][ T4755]  ? show_regs_print_info+0x20/0x20
[   78.981666][ T4755]  ? load_image+0x3b0/0x3b0
[   78.986458][ T4755]  ? hfs_free_extents+0x430/0x430
[   78.991499][ T4755]  ? page_zero_new_buffers+0x490/0x490
[   78.997142][ T4755]  ? lockdep_hardirqs_on_prepare+0x3fc/0x760
[   79.003231][ T4755]  ? lock_chain_count+0x20/0x20
[   79.008241][ T4755]  should_fail+0x38c/0x4c0
[   79.012860][ T4755]  copy_page_from_iter_atomic+0x436/0x1520
[   79.019314][ T4755]  ? pipe_zero+0x370/0x370
[   79.023977][ T4755]  ? __get_user_nocheck_1+0x6/0x10
[   79.029204][ T4755]  ? hfs_write_begin+0x92/0xe0
[   79.033982][ T4755]  ? hfs_free_extents+0x430/0x430
[   79.039136][ T4755]  ? hfs_write_begin+0xac/0xe0
[   79.043920][ T4755]  generic_perform_write+0x2ff/0x530
[   79.049322][ T4755]  ? __mark_inode_dirty+0x78b/0xc60
[   79.054545][ T4755]  ? grab_cache_page_write_begin+0xa0/0xa0
[   79.060367][ T4755]  ? file_remove_privs+0x590/0x590
[   79.065508][ T4755]  ? read_lock_is_recursive+0x10/0x10
[   79.071179][ T4755]  ? preempt_count_add+0x8d/0x190
[   79.076219][ T4755]  ? rwsem_write_trylock+0x12f/0x1b0
[   79.081528][ T4755]  ? clear_nonspinnable+0x60/0x60
[   79.086692][ T4755]  __generic_file_write_iter+0x25f/0x4e0
[   79.092349][ T4755]  generic_file_write_iter+0xa6/0x1b0
[   79.097828][ T4755]  vfs_write+0x712/0xd00
[   79.102211][ T4755]  ? file_end_write+0x250/0x250
[   79.107197][ T4755]  ? __fget_files+0x40f/0x480
[   79.111983][ T4755]  ? mutex_lock_nested+0x17/0x20
[   79.116938][ T4755]  ? __fdget_pos+0x2bf/0x370
[   79.121551][ T4755]  ? ksys_write+0x71/0x250
[   79.126183][ T4755]  ksys_write+0x14d/0x250
[   79.130536][ T4755]  ? __ia32_sys_read+0x80/0x80
[   79.135446][ T4755]  ? lockdep_hardirqs_on+0x94/0x140
[   79.141022][ T4755]  do_syscall_64+0x4c/0xa0
[   79.145631][ T4755]  ? clear_bhb_loop+0x30/0x80
[   79.150323][ T4755]  ? clear_bhb_loop+0x30/0x80
[   79.155090][ T4755]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   79.161010][ T4755] RIP: 0033:0x7fcffd87f959
[   79.165451][ T4755] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
[   79.185595][ T4755] RSP: 002b:00007fcffcc010c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   79.194024][ T4755] RAX: ffffffffffffffda RBX: 00007fcffd99ef80 RCX: 00007fcffd87f959
[   79.202193][ T4755] RDX: 00000000000ffe00 RSI: 0000000020004200 RDI: 0000000000000004
[   79.210178][ T4755] RBP: 00007fcffcc01120 R08: 0000000000000000 R09: 0000000000000000
[   79.218367][ T4755] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[   79.226689][ T4755] R13: 000000000000000b R14: 00007fcffd99ef80 R15: 00007ffc39629758
[   79.234688][ T4755]  </TASK>
[   79.329473][ T4777] loop0: detected capacity change from 0 to 64
[   79.357839][ T4777] hfs: unable to locate alternate MDB
[   79.365591][ T4777] hfs: continuing without an alternate MDB
[   79.386277][ T4777] FAULT_INJECTION: forcing a failure.
[   79.386277][ T4777] name fail_page_alloc, interval 1, probability 0, space 0, times 0
[   79.400027][ T4777] CPU: 1 PID: 4777 Comm: syz-executor.0 Not tainted 5.15.189-syzkaller #0
[   79.408539][ T4777] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[   79.418770][ T4777] Call Trace:
[   79.422154][ T4777]  <TASK>
[   79.425096][ T4777]  dump_stack_lvl+0x168/0x230
[   79.429881][ T4777]  ? show_regs_print_info+0x20/0x20
[   79.435438][ T4777]  ? load_image+0x3b0/0x3b0
[   79.439959][ T4777]  ? __lock_acquire+0x7c60/0x7c60
[   79.445006][ T4777]  should_fail+0x38c/0x4c0
[   79.449637][ T4777]  prepare_alloc_pages+0x1e4/0x5f0
[   79.454768][ T4777]  __alloc_pages+0x10e/0x470
[   79.459375][ T4777]  ? zone_statistics+0x170/0x170
[   79.464326][ T4777]  ? do_raw_spin_lock+0x11d/0x280
[   79.469374][ T4777]  ? alloc_pages+0x438/0x550
[   79.474085][ T4777]  __page_cache_alloc+0xd2/0x3f0
[   79.479210][ T4777]  ? add_to_page_cache_lru+0x4a0/0x4a0
[   79.484868][ T4777]  ? xas_descend+0x210/0x3b0
[   79.489567][ T4777]  ? xas_load+0x127/0x140
[   79.493914][ T4777]  pagecache_get_page+0x986/0xef0
[   79.499136][ T4777]  ? page_cache_prev_miss+0x360/0x360
[   79.504733][ T4777]  ? mark_lock+0x94/0x320
[   79.509104][ T4777]  ? lockdep_hardirqs_on_prepare+0x3fc/0x760
[   79.515191][ T4777]  ? lock_chain_count+0x20/0x20
[   79.520143][ T4777]  ? do_user_addr_fault+0x694/0xc80
[   79.525360][ T4777]  grab_cache_page_write_begin+0x5c/0xa0
[   79.531191][ T4777]  cont_write_begin+0x56a/0x7b0
[   79.536158][ T4777]  ? lockdep_hardirqs_on+0x94/0x140
[   79.541384][ T4777]  ? generic_cont_expand_simple+0x190/0x190
[   79.547303][ T4777]  ? __get_user_nocheck_1+0x6/0x10
[   79.552433][ T4777]  hfs_write_begin+0x92/0xe0
[   79.557071][ T4777]  ? hfs_free_extents+0x430/0x430
[   79.562127][ T4777]  generic_perform_write+0x2aa/0x530
[   79.567630][ T4777]  ? __mark_inode_dirty+0x78b/0xc60
[   79.573389][ T4777]  ? grab_cache_page_write_begin+0xa0/0xa0
[   79.579387][ T4777]  ? file_remove_privs+0x590/0x590
[   79.584606][ T4777]  ? read_lock_is_recursive+0x10/0x10
[   79.590183][ T4777]  ? preempt_count_add+0x8d/0x190
[   79.595498][ T4777]  ? rwsem_write_trylock+0x12f/0x1b0
[   79.600971][ T4777]  ? clear_nonspinnable+0x60/0x60
[   79.606102][ T4777]  __generic_file_write_iter+0x25f/0x4e0
[   79.611764][ T4777]  generic_file_write_iter+0xa6/0x1b0
[   79.617163][ T4777]  vfs_write+0x712/0xd00
[   79.621519][ T4777]  ? file_end_write+0x250/0x250
[   79.626477][ T4777]  ? __fget_files+0x40f/0x480
[   79.631220][ T4777]  ? mutex_lock_nested+0x17/0x20
[   79.636263][ T4777]  ? __fdget_pos+0x2bf/0x370
[   79.640868][ T4777]  ? ksys_write+0x71/0x250
[   79.645396][ T4777]  ksys_write+0x14d/0x250
[   79.649739][ T4777]  ? __ia32_sys_read+0x80/0x80
[   79.654716][ T4777]  ? lockdep_hardirqs_on+0x94/0x140
[   79.659944][ T4777]  do_syscall_64+0x4c/0xa0
[   79.664371][ T4777]  ? clear_bhb_loop+0x30/0x80
[   79.669169][ T4777]  ? clear_bhb_loop+0x30/0x80
[   79.673989][ T4777]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   79.680087][ T4777] RIP: 0033:0x7fcffd87f959
[   79.684689][ T4777] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
[   79.704633][ T4777] RSP: 002b:00007fcffcc010c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   79.713319][ T4777] RAX: ffffffffffffffda RBX: 00007fcffd99ef80 RCX: 00007fcffd87f959
[   79.721657][ T4777] RDX: 00000000000ffe00 RSI: 0000000020004200 RDI: 0000000000000004
[   79.729903][ T4777] RBP: 00007fcffcc01120 R08: 0000000000000000 R09: 0000000000000000
[   79.737984][ T4777] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[   79.746469][ T4777] R13: 000000000000000b R14: 00007fcffd99ef80 R15: 00007ffc39629758
[   79.754600][ T4777]  </TASK>
[   79.832172][ T4804] loop0: detected capacity change from 0 to 64
[   79.846280][ T4804] hfs: unable to locate alternate MDB
[   79.852824][ T4804] hfs: continuing without an alternate MDB
[   79.881016][ T4804] FAULT_INJECTION: forcing a failure.
[   79.881016][ T4804] name fail_usercopy, interval 1, probability 0, space 0, times 0
[   79.894823][ T4804] CPU: 1 PID: 4804 Comm: syz-executor.0 Not tainted 5.15.189-syzkaller #0
[   79.903838][ T4804] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[   79.914113][ T4804] Call Trace:
[   79.917542][ T4804]  <TASK>
[   79.920485][ T4804]  dump_stack_lvl+0x168/0x230
[   79.925637][ T4804]  ? show_regs_print_info+0x20/0x20
[   79.931128][ T4804]  ? load_image+0x3b0/0x3b0
[   79.935750][ T4804]  ? hfs_free_extents+0x430/0x430
[   79.940958][ T4804]  ? page_zero_new_buffers+0x490/0x490
[   79.946817][ T4804]  ? lockdep_hardirqs_on_prepare+0x3fc/0x760
[   79.953163][ T4804]  ? lock_chain_count+0x20/0x20
[   79.958101][ T4804]  should_fail+0x38c/0x4c0
[   79.962582][ T4804]  copy_page_from_iter_atomic+0x436/0x1520
[   79.968481][ T4804]  ? pipe_zero+0x370/0x370
[   79.973004][ T4804]  ? __get_user_nocheck_1+0x6/0x10
[   79.978280][ T4804]  ? hfs_write_begin+0x92/0xe0
[   79.983137][ T4804]  ? hfs_free_extents+0x430/0x430
[   79.988471][ T4804]  ? hfs_write_begin+0xac/0xe0
[   79.993234][ T4804]  generic_perform_write+0x2ff/0x530
[   79.998521][ T4804]  ? __mark_inode_dirty+0x78b/0xc60
[   80.003981][ T4804]  ? grab_cache_page_write_begin+0xa0/0xa0
[   80.009900][ T4804]  ? file_remove_privs+0x590/0x590
[   80.015048][ T4804]  ? read_lock_is_recursive+0x10/0x10
[   80.020419][ T4804]  ? preempt_count_add+0x8d/0x190
[   80.025773][ T4804]  ? rwsem_write_trylock+0x12f/0x1b0
[   80.031313][ T4804]  ? clear_nonspinnable+0x60/0x60
[   80.036446][ T4804]  __generic_file_write_iter+0x25f/0x4e0
[   80.042312][ T4804]  generic_file_write_iter+0xa6/0x1b0
[   80.047878][ T4804]  vfs_write+0x712/0xd00
[   80.052231][ T4804]  ? file_end_write+0x250/0x250
[   80.057092][ T4804]  ? __fget_files+0x40f/0x480
[   80.061776][ T4804]  ? mutex_lock_nested+0x17/0x20
[   80.066747][ T4804]  ? __fdget_pos+0x2bf/0x370
[   80.071542][ T4804]  ? ksys_write+0x71/0x250
[   80.076122][ T4804]  ksys_write+0x14d/0x250
[   80.080486][ T4804]  ? __ia32_sys_read+0x80/0x80
[   80.085436][ T4804]  ? lockdep_hardirqs_on+0x94/0x140
[   80.090723][ T4804]  do_syscall_64+0x4c/0xa0
[   80.095238][ T4804]  ? clear_bhb_loop+0x30/0x80
[   80.099921][ T4804]  ? clear_bhb_loop+0x30/0x80
[   80.104789][ T4804]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   80.110796][ T4804] RIP: 0033:0x7fcffd87f959
[   80.115335][ T4804] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
[   80.135222][ T4804] RSP: 002b:00007fcffcc010c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   80.143723][ T4804] RAX: ffffffffffffffda RBX: 00007fcffd99ef80 RCX: 00007fcffd87f959
[   80.151804][ T4804] RDX: 00000000000ffe00 RSI: 0000000020004200 RDI: 0000000000000004
[   80.159988][ T4804] RBP: 00007fcffcc01120 R08: 0000000000000000 R09: 0000000000000000
[   80.168083][ T4804] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[   80.176056][ T4804] R13: 000000000000000b R14: 00007fcffd99ef80 R15: 00007ffc39629758
[   80.184033][ T4804]  </TASK>
[   80.262290][ T4807] loop0: detected capacity change from 0 to 64
[   80.272924][ T4807] hfs: unable to locate alternate MDB
[   80.278431][ T4807] hfs: continuing without an alternate MDB
[   80.288928][ T4807] FAULT_INJECTION: forcing a failure.
[   80.288928][ T4807] name fail_page_alloc, interval 1, probability 0, space 0, times 0
[   80.302574][ T4807] CPU: 0 PID: 4807 Comm: syz-executor.0 Not tainted 5.15.189-syzkaller #0
[   80.311276][ T4807] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[   80.321496][ T4807] Call Trace:
[   80.324821][ T4807]  <TASK>
[   80.327748][ T4807]  dump_stack_lvl+0x168/0x230
[   80.332522][ T4807]  ? show_regs_print_info+0x20/0x20
[   80.337892][ T4807]  ? load_image+0x3b0/0x3b0
[   80.342974][ T4807]  ? __lock_acquire+0x7c60/0x7c60
[   80.348213][ T4807]  ? verify_lock_unused+0x140/0x140
[   80.353588][ T4807]  ? __lock_acquire+0x13ad/0x7c60
[   80.358609][ T4807]  should_fail+0x38c/0x4c0
[   80.363126][ T4807]  prepare_alloc_pages+0x1e4/0x5f0
[   80.368245][ T4807]  __alloc_pages+0x10e/0x470
[   80.372837][ T4807]  ? zone_statistics+0x170/0x170
[   80.377847][ T4807]  new_slab+0xc0/0x4b0
[   80.381994][ T4807]  ? kmem_cache_alloc+0x195/0x290
[   80.387014][ T4807]  ___slab_alloc+0x81e/0xdf0
[   80.391702][ T4807]  ? alloc_buffer_head+0x21/0x100
[   80.396739][ T4807]  ? alloc_buffer_head+0x21/0x100
[   80.401856][ T4807]  kmem_cache_alloc+0x195/0x290
[   80.406713][ T4807]  alloc_buffer_head+0x21/0x100
[   80.411658][ T4807]  alloc_page_buffers+0x341/0x600
[   80.416712][ T4807]  create_empty_buffers+0x3a/0x6d0
[   80.421834][ T4807]  create_page_buffers+0x1c4/0x320
[   80.427233][ T4807]  __block_write_begin_int+0x248/0x15a0
[   80.432792][ T4807]  ? page_cache_prev_miss+0x360/0x360
[   80.438369][ T4807]  ? mark_lock+0x94/0x320
[   80.442796][ T4807]  ? hfs_free_extents+0x430/0x430
[   80.447829][ T4807]  ? page_zero_new_buffers+0x490/0x490
[   80.453293][ T4807]  ? lockdep_hardirqs_on_prepare+0x3fc/0x760
[   80.459304][ T4807]  ? lock_chain_count+0x20/0x20
[   80.464162][ T4807]  ? do_user_addr_fault+0x694/0xc80
[   80.469353][ T4807]  ? wait_for_stable_page+0xd9/0x110
[   80.474670][ T4807]  cont_write_begin+0x58a/0x7b0
[   80.479613][ T4807]  ? lockdep_hardirqs_on+0x94/0x140
[   80.484828][ T4807]  ? generic_cont_expand_simple+0x190/0x190
[   80.491010][ T4807]  ? __get_user_nocheck_1+0x6/0x10
[   80.496251][ T4807]  hfs_write_begin+0x92/0xe0
[   80.500868][ T4807]  ? hfs_free_extents+0x430/0x430
[   80.505985][ T4807]  generic_perform_write+0x2aa/0x530
[   80.511359][ T4807]  ? __mark_inode_dirty+0x78b/0xc60
[   80.516875][ T4807]  ? grab_cache_page_write_begin+0xa0/0xa0
[   80.522678][ T4807]  ? file_remove_privs+0x590/0x590
[   80.527787][ T4807]  ? read_lock_is_recursive+0x10/0x10
[   80.533326][ T4807]  ? preempt_count_add+0x8d/0x190
[   80.538630][ T4807]  ? rwsem_write_trylock+0x12f/0x1b0
[   80.543909][ T4807]  ? clear_nonspinnable+0x60/0x60
[   80.548993][ T4807]  __generic_file_write_iter+0x25f/0x4e0
[   80.554656][ T4807]  generic_file_write_iter+0xa6/0x1b0
[   80.560228][ T4807]  vfs_write+0x712/0xd00
[   80.564747][ T4807]  ? file_end_write+0x250/0x250
[   80.569715][ T4807]  ? __fget_files+0x40f/0x480
[   80.574511][ T4807]  ? mutex_lock_nested+0x17/0x20
[   80.579471][ T4807]  ? __fdget_pos+0x2bf/0x370
[   80.584141][ T4807]  ? ksys_write+0x71/0x250
[   80.588550][ T4807]  ksys_write+0x14d/0x250
[   80.592983][ T4807]  ? __ia32_sys_read+0x80/0x80
[   80.597764][ T4807]  ? lockdep_hardirqs_on+0x94/0x140
[   80.603055][ T4807]  do_syscall_64+0x4c/0xa0
[   80.607482][ T4807]  ? clear_bhb_loop+0x30/0x80
[   80.612281][ T4807]  ? clear_bhb_loop+0x30/0x80
[   80.616992][ T4807]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   80.622972][ T4807] RIP: 0033:0x7fcffd87f959
[   80.627381][ T4807] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
[   80.647339][ T4807] RSP: 002b:00007fcffcc010c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   80.656530][ T4807] RAX: ffffffffffffffda RBX: 00007fcffd99ef80 RCX: 00007fcffd87f959
[   80.664819][ T4807] RDX: 00000000000ffe00 RSI: 0000000020004200 RDI: 0000000000000004
[   80.672984][ T4807] RBP: 00007fcffcc01120 R08: 0000000000000000 R09: 0000000000000000
[   80.681153][ T4807] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[   80.689130][ T4807] R13: 000000000000000b R14: 00007fcffd99ef80 R15: 00007ffc39629758
[   80.697214][ T4807]  </TASK>
[   80.770557][ T4809] loop0: detected capacity change from 0 to 64
[   80.780190][ T4809] hfs: unable to locate alternate MDB
[   80.785825][ T4809] hfs: continuing without an alternate MDB
[   80.797560][ T4809] FAULT_INJECTION: forcing a failure.
[   80.797560][ T4809] name fail_page_alloc, interval 1, probability 0, space 0, times 0
[   80.812083][ T4809] CPU: 0 PID: 4809 Comm: syz-executor.0 Not tainted 5.15.189-syzkaller #0
[   80.820986][ T4809] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[   80.831154][ T4809] Call Trace:
[   80.834445][ T4809]  <TASK>
[   80.837364][ T4809]  dump_stack_lvl+0x168/0x230
[   80.842051][ T4809]  ? show_regs_print_info+0x20/0x20
[   80.847255][ T4809]  ? load_image+0x3b0/0x3b0
[   80.851800][ T4809]  ? __lock_acquire+0x7c60/0x7c60
[   80.856943][ T4809]  should_fail+0x38c/0x4c0
[   80.861439][ T4809]  prepare_alloc_pages+0x1e4/0x5f0
[   80.866866][ T4809]  __alloc_pages+0x10e/0x470
[   80.871139][ T4186] Bluetooth: hci0: command 0x0419 tx timeout
[   80.871458][ T4809]  ? zone_statistics+0x170/0x170
[   80.882573][ T4809]  ? do_raw_spin_lock+0x11d/0x280
[   80.887786][ T4809]  ? alloc_pages+0x438/0x550
[   80.892470][ T4809]  __page_cache_alloc+0xd2/0x3f0
[   80.897602][ T4809]  ? add_to_page_cache_lru+0x4a0/0x4a0
[   80.903278][ T4809]  ? xas_descend+0x210/0x3b0
[   80.907964][ T4809]  ? xas_load+0x127/0x140
[   80.912283][ T4809]  pagecache_get_page+0x986/0xef0
[   80.917508][ T4809]  ? page_cache_prev_miss+0x360/0x360
[   80.922871][ T4809]  ? mark_lock+0x94/0x320
[   80.927305][ T4809]  ? lockdep_hardirqs_on_prepare+0x3fc/0x760
[   80.933373][ T4809]  ? lock_chain_count+0x20/0x20
[   80.938313][ T4809]  ? do_user_addr_fault+0x694/0xc80
[   80.943510][ T4809]  grab_cache_page_write_begin+0x5c/0xa0
[   80.949232][ T4809]  cont_write_begin+0x56a/0x7b0
[   80.954158][ T4809]  ? lockdep_hardirqs_on+0x94/0x140
[   80.959626][ T4809]  ? generic_cont_expand_simple+0x190/0x190
[   80.965526][ T4809]  ? __get_user_nocheck_1+0x6/0x10
[   80.970654][ T4809]  hfs_write_begin+0x92/0xe0
[   80.975365][ T4809]  ? hfs_free_extents+0x430/0x430
[   80.980384][ T4809]  generic_perform_write+0x2aa/0x530
[   80.985955][ T4809]  ? __mark_inode_dirty+0x78b/0xc60
[   80.991327][ T4809]  ? grab_cache_page_write_begin+0xa0/0xa0
[   80.997414][ T4809]  ? file_remove_privs+0x590/0x590
[   81.002626][ T4809]  ? read_lock_is_recursive+0x10/0x10
[   81.008192][ T4809]  ? preempt_count_add+0x8d/0x190
[   81.013213][ T4809]  ? rwsem_write_trylock+0x12f/0x1b0
[   81.018605][ T4809]  ? clear_nonspinnable+0x60/0x60
[   81.023757][ T4809]  __generic_file_write_iter+0x25f/0x4e0
[   81.029395][ T4809]  generic_file_write_iter+0xa6/0x1b0
[   81.034842][ T4809]  vfs_write+0x712/0xd00
[   81.039092][ T4809]  ? file_end_write+0x250/0x250
[   81.044053][ T4809]  ? __fget_files+0x40f/0x480
[   81.048733][ T4809]  ? mutex_lock_nested+0x17/0x20
[   81.053909][ T4809]  ? __fdget_pos+0x2bf/0x370
[   81.058608][ T4809]  ? ksys_write+0x71/0x250
[   81.063107][ T4809]  ksys_write+0x14d/0x250
[   81.067530][ T4809]  ? __ia32_sys_read+0x80/0x80
[   81.072494][ T4809]  ? lockdep_hardirqs_on+0x94/0x140
[   81.077739][ T4809]  do_syscall_64+0x4c/0xa0
[   81.082419][ T4809]  ? clear_bhb_loop+0x30/0x80
[   81.087614][ T4809]  ? clear_bhb_loop+0x30/0x80
[   81.092312][ T4809]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   81.098677][ T4809] RIP: 0033:0x7fcffd87f959
[   81.103214][ T4809] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
[   81.123165][ T4809] RSP: 002b:00007fcffcc010c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   81.131950][ T4809] RAX: ffffffffffffffda RBX: 00007fcffd99ef80 RCX: 00007fcffd87f959
[   81.140008][ T4809] RDX: 00000000000ffe00 RSI: 0000000020004200 RDI: 0000000000000004
[   81.148020][ T4809] RBP: 00007fcffcc01120 R08: 0000000000000000 R09: 0000000000000000
[   81.156427][ T4809] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[   81.164890][ T4809] R13: 000000000000000b R14: 00007fcffd99ef80 R15: 00007ffc39629758
[   81.173235][ T4809]  </TASK>
[   81.249212][ T4811] loop0: detected capacity change from 0 to 64
[   81.259534][ T4811] hfs: unable to locate alternate MDB
[   81.265551][ T4811] hfs: continuing without an alternate MDB
[   81.276007][ T4811] FAULT_INJECTION: forcing a failure.
[   81.276007][ T4811] name fail_page_alloc, interval 1, probability 0, space 0, times 0
[   81.291017][ T4811] CPU: 0 PID: 4811 Comm: syz-executor.0 Not tainted 5.15.189-syzkaller #0
[   81.299755][ T4811] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[   81.310168][ T4811] Call Trace:
[   81.313450][ T4811]  <TASK>
[   81.316545][ T4811]  dump_stack_lvl+0x168/0x230
[   81.321223][ T4811]  ? show_regs_print_info+0x20/0x20
[   81.326672][ T4811]  ? load_image+0x3b0/0x3b0
[   81.331525][ T4811]  ? __lock_acquire+0x7c60/0x7c60
[   81.336694][ T4811]  should_fail+0x38c/0x4c0
[   81.341219][ T4811]  prepare_alloc_pages+0x1e4/0x5f0
[   81.346340][ T4811]  __alloc_pages+0x10e/0x470
[   81.350944][ T4811]  ? zone_statistics+0x170/0x170
[   81.356064][ T4811]  ? do_raw_spin_lock+0x11d/0x280
[   81.361244][ T4811]  ? alloc_pages+0x438/0x550
[   81.365951][ T4811]  __page_cache_alloc+0xd2/0x3f0
[   81.371024][ T4811]  ? add_to_page_cache_lru+0x4a0/0x4a0
[   81.376504][ T4811]  ? xas_descend+0x210/0x3b0
[   81.381088][ T4811]  ? xas_load+0x127/0x140
[   81.385411][ T4811]  pagecache_get_page+0x986/0xef0
[   81.390424][ T4811]  ? page_cache_prev_miss+0x360/0x360
[   81.395963][ T4811]  ? mark_lock+0x94/0x320
[   81.400390][ T4811]  ? lockdep_hardirqs_on_prepare+0x3fc/0x760
[   81.406476][ T4811]  ? lock_chain_count+0x20/0x20
[   81.411498][ T4811]  ? do_user_addr_fault+0x694/0xc80
[   81.416690][ T4811]  grab_cache_page_write_begin+0x5c/0xa0
[   81.422350][ T4811]  cont_write_begin+0x56a/0x7b0
[   81.427201][ T4811]  ? lockdep_hardirqs_on+0x94/0x140
[   81.432648][ T4811]  ? generic_cont_expand_simple+0x190/0x190
[   81.438651][ T4811]  ? __get_user_nocheck_1+0x6/0x10
[   81.443966][ T4811]  hfs_write_begin+0x92/0xe0
[   81.448670][ T4811]  ? hfs_free_extents+0x430/0x430
[   81.453699][ T4811]  generic_perform_write+0x2aa/0x530
[   81.459321][ T4811]  ? __mark_inode_dirty+0x78b/0xc60
[   81.464813][ T4811]  ? grab_cache_page_write_begin+0xa0/0xa0
[   81.470763][ T4811]  ? file_remove_privs+0x590/0x590
[   81.476179][ T4811]  ? read_lock_is_recursive+0x10/0x10
[   81.481555][ T4811]  ? preempt_count_add+0x8d/0x190
[   81.486615][ T4811]  ? rwsem_write_trylock+0x12f/0x1b0
[   81.492222][ T4811]  ? clear_nonspinnable+0x60/0x60
[   81.497347][ T4811]  __generic_file_write_iter+0x25f/0x4e0
[   81.503439][ T4811]  generic_file_write_iter+0xa6/0x1b0
[   81.509016][ T4811]  vfs_write+0x712/0xd00
[   81.513271][ T4811]  ? file_end_write+0x250/0x250
[   81.518568][ T4811]  ? __fget_files+0x40f/0x480
[   81.523388][ T4811]  ? mutex_lock_nested+0x17/0x20
[   81.528497][ T4811]  ? __fdget_pos+0x2bf/0x370
[   81.533345][ T4811]  ? ksys_write+0x71/0x250
[   81.537927][ T4811]  ksys_write+0x14d/0x250
[   81.542252][ T4811]  ? __ia32_sys_read+0x80/0x80
[   81.547092][ T4811]  ? lockdep_hardirqs_on+0x94/0x140
[   81.552408][ T4811]  do_syscall_64+0x4c/0xa0
[   81.556816][ T4811]  ? clear_bhb_loop+0x30/0x80
[   81.561482][ T4811]  ? clear_bhb_loop+0x30/0x80
[   81.566237][ T4811]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   81.572308][ T4811] RIP: 0033:0x7fcffd87f959
[   81.577212][ T4811] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
[   81.597007][ T4811] RSP: 002b:00007fcffcc010c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   81.605607][ T4811] RAX: ffffffffffffffda RBX: 00007fcffd99ef80 RCX: 00007fcffd87f959
[   81.613898][ T4811] RDX: 00000000000ffe00 RSI: 0000000020004200 RDI: 0000000000000004
[   81.621962][ T4811] RBP: 00007fcffcc01120 R08: 0000000000000000 R09: 0000000000000000
[   81.630014][ T4811] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[   81.638066][ T4811] R13: 000000000000000b R14: 00007fcffd99ef80 R15: 00007ffc39629758
[   81.646262][ T4811]  </TASK>
[   81.748569][ T4813] loop0: detected capacity change from 0 to 64
[   81.759083][ T4813] hfs: unable to locate alternate MDB
[   81.765938][ T4813] hfs: continuing without an alternate MDB
[   81.782838][ T4813] FAULT_INJECTION: forcing a failure.
[   81.782838][ T4813] name fail_page_alloc, interval 1, probability 0, space 0, times 0
[   81.796306][ T4813] CPU: 0 PID: 4813 Comm: syz-executor.0 Not tainted 5.15.189-syzkaller #0
[   81.804814][ T4813] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[   81.814957][ T4813] Call Trace:
[   81.818246][ T4813]  <TASK>
[   81.821387][ T4813]  dump_stack_lvl+0x168/0x230
[   81.826143][ T4813]  ? show_regs_print_info+0x20/0x20
[   81.831323][ T4813]  ? load_image+0x3b0/0x3b0
[   81.836048][ T4813]  ? __lock_acquire+0x7c60/0x7c60
[   81.841115][ T4813]  should_fail+0x38c/0x4c0
[   81.845682][ T4813]  prepare_alloc_pages+0x1e4/0x5f0
[   81.850875][ T4813]  __alloc_pages+0x10e/0x470
[   81.855879][ T4813]  ? zone_statistics+0x170/0x170
[   81.860815][ T4813]  ? do_raw_spin_lock+0x11d/0x280
[   81.866018][ T4813]  ? alloc_pages+0x438/0x550
[   81.870604][ T4813]  __page_cache_alloc+0xd2/0x3f0
[   81.875567][ T4813]  ? add_to_page_cache_lru+0x4a0/0x4a0
[   81.881216][ T4813]  ? xas_descend+0x210/0x3b0
[   81.885822][ T4813]  ? xas_load+0x127/0x140
[   81.890145][ T4813]  pagecache_get_page+0x986/0xef0
[   81.895185][ T4813]  ? page_cache_prev_miss+0x360/0x360
[   81.900554][ T4813]  ? mark_lock+0x94/0x320
[   81.905247][ T4813]  ? lockdep_hardirqs_on_prepare+0x3fc/0x760
[   81.911300][ T4813]  ? lock_chain_count+0x20/0x20
[   81.916309][ T4813]  ? do_user_addr_fault+0x694/0xc80
[   81.921726][ T4813]  grab_cache_page_write_begin+0x5c/0xa0
[   81.927964][ T4813]  cont_write_begin+0x56a/0x7b0
[   81.932815][ T4813]  ? lockdep_hardirqs_on+0x94/0x140
[   81.938094][ T4813]  ? generic_cont_expand_simple+0x190/0x190
[   81.944066][ T4813]  ? __get_user_nocheck_1+0x6/0x10
[   81.949166][ T4813]  hfs_write_begin+0x92/0xe0
[   81.954024][ T4813]  ? hfs_free_extents+0x430/0x430
[   81.959043][ T4813]  generic_perform_write+0x2aa/0x530
[   81.964540][ T4813]  ? __mark_inode_dirty+0x78b/0xc60
[   81.969845][ T4813]  ? grab_cache_page_write_begin+0xa0/0xa0
[   81.975677][ T4813]  ? file_remove_privs+0x590/0x590
[   81.980775][ T4813]  ? read_lock_is_recursive+0x10/0x10
[   81.986135][ T4813]  ? preempt_count_add+0x8d/0x190
[   81.991148][ T4813]  ? rwsem_write_trylock+0x12f/0x1b0
[   81.996433][ T4813]  ? clear_nonspinnable+0x60/0x60
[   82.001444][ T4813]  __generic_file_write_iter+0x25f/0x4e0
[   82.007189][ T4813]  generic_file_write_iter+0xa6/0x1b0
[   82.012859][ T4813]  vfs_write+0x712/0xd00
[   82.017101][ T4813]  ? file_end_write+0x250/0x250
[   82.021937][ T4813]  ? __fget_files+0x40f/0x480
[   82.026698][ T4813]  ? mutex_lock_nested+0x17/0x20
[   82.031624][ T4813]  ? __fdget_pos+0x2bf/0x370
[   82.036229][ T4813]  ? ksys_write+0x71/0x250
[   82.040635][ T4813]  ksys_write+0x14d/0x250
[   82.044986][ T4813]  ? __ia32_sys_read+0x80/0x80
[   82.049762][ T4813]  ? lockdep_hardirqs_on+0x94/0x140
[   82.054956][ T4813]  do_syscall_64+0x4c/0xa0
[   82.059365][ T4813]  ? clear_bhb_loop+0x30/0x80
[   82.064025][ T4813]  ? clear_bhb_loop+0x30/0x80
[   82.068687][ T4813]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   82.074567][ T4813] RIP: 0033:0x7fcffd87f959
[   82.078982][ T4813] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
[   82.098592][ T4813] RSP: 002b:00007fcffcc010c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   82.107464][ T4813] RAX: ffffffffffffffda RBX: 00007fcffd99ef80 RCX: 00007fcffd87f959
[   82.115567][ T4813] RDX: 00000000000ffe00 RSI: 0000000020004200 RDI: 0000000000000004
[   82.123869][ T4813] RBP: 00007fcffcc01120 R08: 0000000000000000 R09: 0000000000000000
[   82.131929][ T4813] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[   82.140190][ T4813] R13: 000000000000000b R14: 00007fcffd99ef80 R15: 00007ffc39629758
[   82.148248][ T4813]  </TASK>
[   82.217632][ T4815] loop0: detected capacity change from 0 to 64
[   82.227977][ T4815] hfs: unable to locate alternate MDB
[   82.233764][ T4815] hfs: continuing without an alternate MDB
[   82.245152][ T4815] FAULT_INJECTION: forcing a failure.
[   82.245152][ T4815] name fail_usercopy, interval 1, probability 0, space 0, times 0
[   82.258812][ T4815] CPU: 1 PID: 4815 Comm: syz-executor.0 Not tainted 5.15.189-syzkaller #0
[   82.267323][ T4815] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[   82.277809][ T4815] Call Trace:
[   82.281105][ T4815]  <TASK>
[   82.284041][ T4815]  dump_stack_lvl+0x168/0x230
[   82.288901][ T4815]  ? show_regs_print_info+0x20/0x20
[   82.294119][ T4815]  ? load_image+0x3b0/0x3b0
[   82.298814][ T4815]  ? hfs_free_extents+0x430/0x430
[   82.303856][ T4815]  ? page_zero_new_buffers+0x490/0x490
[   82.309586][ T4815]  ? lockdep_hardirqs_on_prepare+0x3fc/0x760
[   82.315857][ T4815]  ? lock_chain_count+0x20/0x20
[   82.321107][ T4815]  should_fail+0x38c/0x4c0
[   82.325556][ T4815]  copy_page_from_iter_atomic+0x436/0x1520
[   82.331371][ T4815]  ? pipe_zero+0x370/0x370
[   82.335919][ T4815]  ? __get_user_nocheck_1+0x6/0x10
[   82.341036][ T4815]  ? hfs_write_begin+0x92/0xe0
[   82.346148][ T4815]  ? hfs_free_extents+0x430/0x430
[   82.351513][ T4815]  ? hfs_write_begin+0xac/0xe0
[   82.356458][ T4815]  generic_perform_write+0x2ff/0x530
[   82.361763][ T4815]  ? __mark_inode_dirty+0x78b/0xc60
[   82.367053][ T4815]  ? grab_cache_page_write_begin+0xa0/0xa0
[   82.373133][ T4815]  ? file_remove_privs+0x590/0x590
[   82.378245][ T4815]  ? read_lock_is_recursive+0x10/0x10
[   82.383695][ T4815]  ? preempt_count_add+0x8d/0x190
[   82.388880][ T4815]  ? rwsem_write_trylock+0x12f/0x1b0
[   82.394659][ T4815]  ? clear_nonspinnable+0x60/0x60
[   82.399828][ T4815]  __generic_file_write_iter+0x25f/0x4e0
[   82.405809][ T4815]  generic_file_write_iter+0xa6/0x1b0
[   82.411563][ T4815]  vfs_write+0x712/0xd00
[   82.415826][ T4815]  ? file_end_write+0x250/0x250
[   82.421024][ T4815]  ? __fget_files+0x40f/0x480
[   82.425938][ T4815]  ? mutex_lock_nested+0x17/0x20
[   82.431504][ T4815]  ? __fdget_pos+0x2bf/0x370
[   82.436092][ T4815]  ? ksys_write+0x71/0x250
[   82.440826][ T4815]  ksys_write+0x14d/0x250
[   82.445552][ T4815]  ? __ia32_sys_read+0x80/0x80
[   82.450342][ T4815]  ? lockdep_hardirqs_on+0x94/0x140
[   82.456062][ T4815]  do_syscall_64+0x4c/0xa0
[   82.460568][ T4815]  ? clear_bhb_loop+0x30/0x80
[   82.465242][ T4815]  ? clear_bhb_loop+0x30/0x80
[   82.470014][ T4815]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   82.475912][ T4815] RIP: 0033:0x7fcffd87f959
[   82.480558][ T4815] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
[   82.500747][ T4815] RSP: 002b:00007fcffcc010c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   82.509287][ T4815] RAX: ffffffffffffffda RBX: 00007fcffd99ef80 RCX: 00007fcffd87f959
2025/08/18 13:19:43 executed programs: 17
[   82.517459][ T4815] RDX: 00000000000ffe00 RSI: 0000000020004200 RDI: 0000000000000004
[   82.525682][ T4815] RBP: 00007fcffcc01120 R08: 0000000000000000 R09: 0000000000000000
[   82.533754][ T4815] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[   82.541940][ T4815] R13: 000000000000000b R14: 00007fcffd99ef80 R15: 00007ffc39629758
[   82.550038][ T4815]  </TASK>
[   82.621972][ T4817] loop0: detected capacity change from 0 to 64
[   82.632071][ T4817] hfs: unable to locate alternate MDB
[   82.637484][ T4817] hfs: continuing without an alternate MDB
[   82.648539][ T4817] FAULT_INJECTION: forcing a failure.
[   82.648539][ T4817] name fail_page_alloc, interval 1, probability 0, space 0, times 0
[   82.663067][ T4817] CPU: 1 PID: 4817 Comm: syz-executor.0 Not tainted 5.15.189-syzkaller #0
[   82.671794][ T4817] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[   82.681866][ T4817] Call Trace:
[   82.685140][ T4817]  <TASK>
[   82.688052][ T4817]  dump_stack_lvl+0x168/0x230
[   82.692916][ T4817]  ? show_regs_print_info+0x20/0x20
[   82.698107][ T4817]  ? load_image+0x3b0/0x3b0
[   82.702639][ T4817]  ? __lock_acquire+0x7c60/0x7c60
[   82.707656][ T4817]  should_fail+0x38c/0x4c0
[   82.712073][ T4817]  prepare_alloc_pages+0x1e4/0x5f0
[   82.717168][ T4817]  __alloc_pages+0x10e/0x470
[   82.721737][ T4817]  ? zone_statistics+0x170/0x170
[   82.726827][ T4817]  ? do_raw_spin_lock+0x11d/0x280
[   82.731917][ T4817]  ? alloc_pages+0x438/0x550
[   82.736517][ T4817]  __page_cache_alloc+0xd2/0x3f0
[   82.741454][ T4817]  ? add_to_page_cache_lru+0x4a0/0x4a0
[   82.746907][ T4817]  ? xas_descend+0x210/0x3b0
[   82.751480][ T4817]  ? xas_load+0x127/0x140
[   82.755802][ T4817]  pagecache_get_page+0x986/0xef0
[   82.760819][ T4817]  ? page_cache_prev_miss+0x360/0x360
[   82.766215][ T4817]  ? mark_lock+0x94/0x320
[   82.770543][ T4817]  ? lockdep_hardirqs_on_prepare+0x3fc/0x760
[   82.776533][ T4817]  ? lock_chain_count+0x20/0x20
[   82.781463][ T4817]  ? do_user_addr_fault+0x694/0xc80
[   82.786686][ T4817]  grab_cache_page_write_begin+0x5c/0xa0
[   82.792326][ T4817]  cont_write_begin+0x56a/0x7b0
[   82.797364][ T4817]  ? lockdep_hardirqs_on+0x94/0x140
[   82.803092][ T4817]  ? generic_cont_expand_simple+0x190/0x190
[   82.809094][ T4817]  ? __get_user_nocheck_1+0x6/0x10
[   82.814224][ T4817]  hfs_write_begin+0x92/0xe0
[   82.819245][ T4817]  ? hfs_free_extents+0x430/0x430
[   82.824449][ T4817]  generic_perform_write+0x2aa/0x530
[   82.829815][ T4817]  ? __mark_inode_dirty+0x78b/0xc60
[   82.835036][ T4817]  ? grab_cache_page_write_begin+0xa0/0xa0
[   82.840927][ T4817]  ? file_remove_privs+0x590/0x590
[   82.846213][ T4817]  ? read_lock_is_recursive+0x10/0x10
[   82.852129][ T4817]  ? preempt_count_add+0x8d/0x190
[   82.857247][ T4817]  ? rwsem_write_trylock+0x12f/0x1b0
[   82.862633][ T4817]  ? clear_nonspinnable+0x60/0x60
[   82.867651][ T4817]  __generic_file_write_iter+0x25f/0x4e0
[   82.873467][ T4817]  generic_file_write_iter+0xa6/0x1b0
[   82.878862][ T4817]  vfs_write+0x712/0xd00
[   82.883291][ T4817]  ? file_end_write+0x250/0x250
[   82.888148][ T4817]  ? __fget_files+0x40f/0x480
[   82.893102][ T4817]  ? mutex_lock_nested+0x17/0x20
[   82.898023][ T4817]  ? __fdget_pos+0x2bf/0x370
[   82.902612][ T4817]  ? ksys_write+0x71/0x250
[   82.907148][ T4817]  ksys_write+0x14d/0x250
[   82.911493][ T4817]  ? __ia32_sys_read+0x80/0x80
[   82.916248][ T4817]  ? lockdep_hardirqs_on+0x94/0x140
[   82.921536][ T4817]  do_syscall_64+0x4c/0xa0
[   82.926143][ T4817]  ? clear_bhb_loop+0x30/0x80
[   82.930827][ T4817]  ? clear_bhb_loop+0x30/0x80
[   82.935500][ T4817]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   82.941708][ T4817] RIP: 0033:0x7fcffd87f959
[   82.946211][ T4817] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
[   82.965898][ T4817] RSP: 002b:00007fcffcc010c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   82.974398][ T4817] RAX: ffffffffffffffda RBX: 00007fcffd99ef80 RCX: 00007fcffd87f959
[   82.982367][ T4817] RDX: 00000000000ffe00 RSI: 0000000020004200 RDI: 0000000000000004
[   82.990782][ T4817] RBP: 00007fcffcc01120 R08: 0000000000000000 R09: 0000000000000000
[   82.998748][ T4817] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[   83.006953][ T4817] R13: 000000000000000b R14: 00007fcffd99ef80 R15: 00007ffc39629758
[   83.014975][ T4817]  </TASK>
[   83.109744][ T4819] loop0: detected capacity change from 0 to 64
[   83.121669][ T4819] hfs: unable to locate alternate MDB
[   83.127171][ T4819] hfs: continuing without an alternate MDB
[   83.137586][ T4819] FAULT_INJECTION: forcing a failure.
[   83.137586][ T4819] name failslab, interval 1, probability 0, space 0, times 1
[   83.150752][ T4819] CPU: 1 PID: 4819 Comm: syz-executor.0 Not tainted 5.15.189-syzkaller #0
[   83.159355][ T4819] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[   83.169608][ T4819] Call Trace:
[   83.172879][ T4819]  <TASK>
[   83.175889][ T4819]  dump_stack_lvl+0x168/0x230
[   83.180864][ T4819]  ? show_regs_print_info+0x20/0x20
[   83.186149][ T4819]  ? load_image+0x3b0/0x3b0
[   83.190682][ T4819]  ? __might_sleep+0xf0/0xf0
[   83.195310][ T4819]  ? __lock_acquire+0x7c60/0x7c60
[   83.200333][ T4819]  should_fail+0x38c/0x4c0
[   83.204765][ T4819]  should_failslab+0x5/0x20
[   83.209383][ T4819]  slab_pre_alloc_hook+0x51/0xc0
[   83.214327][ T4819]  __kmalloc_node+0x6e/0x3b0
[   83.219263][ T4819]  ? memcg_alloc_page_obj_cgroups+0x81/0x120
[   83.225367][ T4819]  memcg_alloc_page_obj_cgroups+0x81/0x120
[   83.231177][ T4819]  slab_post_alloc_hook+0xba/0x380
[   83.236385][ T4819]  ? alloc_buffer_head+0x21/0x100
[   83.241405][ T4819]  kmem_cache_alloc+0x100/0x290
[   83.246388][ T4819]  alloc_buffer_head+0x21/0x100
[   83.251418][ T4819]  alloc_page_buffers+0x341/0x600
[   83.256487][ T4819]  create_empty_buffers+0x3a/0x6d0
[   83.261647][ T4819]  create_page_buffers+0x1c4/0x320
[   83.266943][ T4819]  __block_write_begin_int+0x248/0x15a0
[   83.272679][ T4819]  ? page_cache_prev_miss+0x360/0x360
[   83.278042][ T4819]  ? mark_lock+0x94/0x320
[   83.282567][ T4819]  ? hfs_free_extents+0x430/0x430
[   83.287579][ T4819]  ? page_zero_new_buffers+0x490/0x490
[   83.293288][ T4819]  ? lockdep_hardirqs_on_prepare+0x3fc/0x760
[   83.299451][ T4819]  ? lock_chain_count+0x20/0x20
[   83.304596][ T4819]  ? do_user_addr_fault+0x694/0xc80
[   83.310017][ T4819]  ? wait_for_stable_page+0xd9/0x110
[   83.315380][ T4819]  cont_write_begin+0x58a/0x7b0
[   83.320446][ T4819]  ? lockdep_hardirqs_on+0x94/0x140
[   83.325651][ T4819]  ? generic_cont_expand_simple+0x190/0x190
[   83.331641][ T4819]  ? __get_user_nocheck_1+0x6/0x10
[   83.336748][ T4819]  hfs_write_begin+0x92/0xe0
[   83.341427][ T4819]  ? hfs_free_extents+0x430/0x430
[   83.346554][ T4819]  generic_perform_write+0x2aa/0x530
[   83.351830][ T4819]  ? __mark_inode_dirty+0x78b/0xc60
[   83.357147][ T4819]  ? grab_cache_page_write_begin+0xa0/0xa0
[   83.363042][ T4819]  ? file_remove_privs+0x590/0x590
[   83.368240][ T4819]  ? read_lock_is_recursive+0x10/0x10
[   83.373609][ T4819]  ? preempt_count_add+0x8d/0x190
[   83.378769][ T4819]  ? rwsem_write_trylock+0x12f/0x1b0
[   83.384408][ T4819]  ? clear_nonspinnable+0x60/0x60
[   83.389612][ T4819]  __generic_file_write_iter+0x25f/0x4e0
[   83.395486][ T4819]  generic_file_write_iter+0xa6/0x1b0
[   83.401124][ T4819]  vfs_write+0x712/0xd00
[   83.405634][ T4819]  ? file_end_write+0x250/0x250
[   83.410494][ T4819]  ? __fget_files+0x40f/0x480
[   83.415179][ T4819]  ? mutex_lock_nested+0x17/0x20
[   83.420106][ T4819]  ? __fdget_pos+0x2bf/0x370
[   83.424708][ T4819]  ? ksys_write+0x71/0x250
[   83.429143][ T4819]  ksys_write+0x14d/0x250
[   83.433723][ T4819]  ? __ia32_sys_read+0x80/0x80
[   83.438514][ T4819]  ? lockdep_hardirqs_on+0x94/0x140
[   83.443827][ T4819]  do_syscall_64+0x4c/0xa0
[   83.448244][ T4819]  ? clear_bhb_loop+0x30/0x80
[   83.452917][ T4819]  ? clear_bhb_loop+0x30/0x80
[   83.457638][ T4819]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   83.463754][ T4819] RIP: 0033:0x7fcffd87f959
[   83.468344][ T4819] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
[   83.488137][ T4819] RSP: 002b:00007fcffcc010c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   83.496931][ T4819] RAX: ffffffffffffffda RBX: 00007fcffd99ef80 RCX: 00007fcffd87f959
[   83.505012][ T4819] RDX: 00000000000ffe00 RSI: 0000000020004200 RDI: 0000000000000004
[   83.513308][ T4819] RBP: 00007fcffcc01120 R08: 0000000000000000 R09: 0000000000000000
[   83.521537][ T4819] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[   83.529677][ T4819] R13: 000000000000000b R14: 00007fcffd99ef80 R15: 00007ffc39629758
[   83.538048][ T4819]  </TASK>
[   83.590571][ T4821] loop0: detected capacity change from 0 to 64
[   83.600343][ T4821] hfs: unable to locate alternate MDB
[   83.605846][ T4821] hfs: continuing without an alternate MDB
[   83.617395][ T4821] FAULT_INJECTION: forcing a failure.
[   83.617395][ T4821] name fail_page_alloc, interval 1, probability 0, space 0, times 0
[   83.632128][ T4821] CPU: 0 PID: 4821 Comm: syz-executor.0 Not tainted 5.15.189-syzkaller #0
[   83.640823][ T4821] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[   83.651093][ T4821] Call Trace:
[   83.654363][ T4821]  <TASK>
[   83.657541][ T4821]  dump_stack_lvl+0x168/0x230
[   83.662407][ T4821]  ? show_regs_print_info+0x20/0x20
[   83.667632][ T4821]  ? load_image+0x3b0/0x3b0
[   83.672237][ T4821]  ? __lock_acquire+0x7c60/0x7c60
[   83.677348][ T4821]  should_fail+0x38c/0x4c0
[   83.681754][ T4821]  prepare_alloc_pages+0x1e4/0x5f0
[   83.686882][ T4821]  __alloc_pages+0x10e/0x470
[   83.691564][ T4821]  ? zone_statistics+0x170/0x170
[   83.696533][ T4821]  ? do_raw_spin_lock+0x11d/0x280
[   83.701652][ T4821]  ? alloc_pages+0x438/0x550
[   83.706317][ T4821]  __page_cache_alloc+0xd2/0x3f0
[   83.711248][ T4821]  ? add_to_page_cache_lru+0x4a0/0x4a0
[   83.716891][ T4821]  ? xas_descend+0x210/0x3b0
[   83.721662][ T4821]  ? xas_load+0x127/0x140
[   83.726096][ T4821]  pagecache_get_page+0x986/0xef0
[   83.731336][ T4821]  ? page_cache_prev_miss+0x360/0x360
[   83.736690][ T4821]  ? mark_lock+0x94/0x320
[   83.741029][ T4821]  ? lockdep_hardirqs_on_prepare+0x3fc/0x760
[   83.747299][ T4821]  ? lock_chain_count+0x20/0x20
[   83.752143][ T4821]  ? do_user_addr_fault+0x694/0xc80
[   83.757422][ T4821]  grab_cache_page_write_begin+0x5c/0xa0
[   83.763255][ T4821]  cont_write_begin+0x56a/0x7b0
[   83.768183][ T4821]  ? lockdep_hardirqs_on+0x94/0x140
[   83.773483][ T4821]  ? generic_cont_expand_simple+0x190/0x190
[   83.779390][ T4821]  ? __get_user_nocheck_1+0x6/0x10
[   83.784585][ T4821]  hfs_write_begin+0x92/0xe0
[   83.789275][ T4821]  ? hfs_free_extents+0x430/0x430
[   83.794373][ T4821]  generic_perform_write+0x2aa/0x530
[   83.799666][ T4821]  ? __mark_inode_dirty+0x78b/0xc60
[   83.804938][ T4821]  ? grab_cache_page_write_begin+0xa0/0xa0
[   83.810901][ T4821]  ? file_remove_privs+0x590/0x590
[   83.816006][ T4821]  ? read_lock_is_recursive+0x10/0x10
[   83.821394][ T4821]  ? preempt_count_add+0x8d/0x190
[   83.826407][ T4821]  ? rwsem_write_trylock+0x12f/0x1b0
[   83.831678][ T4821]  ? clear_nonspinnable+0x60/0x60
[   83.836837][ T4821]  __generic_file_write_iter+0x25f/0x4e0
[   83.842515][ T4821]  generic_file_write_iter+0xa6/0x1b0
[   83.848079][ T4821]  vfs_write+0x712/0xd00
[   83.852321][ T4821]  ? file_end_write+0x250/0x250
[   83.857267][ T4821]  ? __fget_files+0x40f/0x480
[   83.862021][ T4821]  ? mutex_lock_nested+0x17/0x20
[   83.867043][ T4821]  ? __fdget_pos+0x2bf/0x370
[   83.871658][ T4821]  ? ksys_write+0x71/0x250
[   83.876151][ T4821]  ksys_write+0x14d/0x250
[   83.880980][ T4821]  ? __ia32_sys_read+0x80/0x80
[   83.885744][ T4821]  ? lockdep_hardirqs_on+0x94/0x140
[   83.891024][ T4821]  do_syscall_64+0x4c/0xa0
[   83.895473][ T4821]  ? clear_bhb_loop+0x30/0x80
[   83.900139][ T4821]  ? clear_bhb_loop+0x30/0x80
[   83.904898][ T4821]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   83.910899][ T4821] RIP: 0033:0x7fcffd87f959
[   83.915326][ T4821] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
[   83.935381][ T4821] RSP: 002b:00007fcffcc010c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   83.943847][ T4821] RAX: ffffffffffffffda RBX: 00007fcffd99ef80 RCX: 00007fcffd87f959
[   83.952180][ T4821] RDX: 00000000000ffe00 RSI: 0000000020004200 RDI: 0000000000000004
[   83.960223][ T4821] RBP: 00007fcffcc01120 R08: 0000000000000000 R09: 0000000000000000
[   83.968517][ T4821] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[   83.976885][ T4821] R13: 000000000000000b R14: 00007fcffd99ef80 R15: 00007ffc39629758
[   83.985294][ T4821]  </TASK>
[   84.075254][ T4823] loop0: detected capacity change from 0 to 64
[   84.085946][ T4823] hfs: unable to locate alternate MDB
[   84.091896][ T4823] hfs: continuing without an alternate MDB
[   84.103772][ T4823] FAULT_INJECTION: forcing a failure.
[   84.103772][ T4823] name fail_page_alloc, interval 1, probability 0, space 0, times 0
[   84.117302][ T4823] CPU: 0 PID: 4823 Comm: syz-executor.0 Not tainted 5.15.189-syzkaller #0
[   84.125990][ T4823] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[   84.136047][ T4823] Call Trace:
[   84.139322][ T4823]  <TASK>
[   84.142358][ T4823]  dump_stack_lvl+0x168/0x230
[   84.147044][ T4823]  ? show_regs_print_info+0x20/0x20
[   84.152236][ T4823]  ? load_image+0x3b0/0x3b0
[   84.157008][ T4823]  ? __lock_acquire+0x7c60/0x7c60
[   84.162323][ T4823]  should_fail+0x38c/0x4c0
[   84.166748][ T4823]  prepare_alloc_pages+0x1e4/0x5f0
[   84.171969][ T4823]  __alloc_pages+0x10e/0x470
[   84.176671][ T4823]  ? zone_statistics+0x170/0x170
[   84.181608][ T4823]  ? do_raw_spin_lock+0x11d/0x280
[   84.186641][ T4823]  ? alloc_pages+0x438/0x550
[   84.191306][ T4823]  __page_cache_alloc+0xd2/0x3f0
[   84.196319][ T4823]  ? add_to_page_cache_lru+0x4a0/0x4a0
[   84.202020][ T4823]  ? xas_descend+0x210/0x3b0
[   84.206754][ T4823]  ? xas_load+0x127/0x140
[   84.211095][ T4823]  pagecache_get_page+0x986/0xef0
[   84.216515][ T4823]  ? page_cache_prev_miss+0x360/0x360
[   84.222046][ T4823]  ? mark_lock+0x94/0x320
[   84.226477][ T4823]  ? lockdep_hardirqs_on_prepare+0x3fc/0x760
[   84.232448][ T4823]  ? lock_chain_count+0x20/0x20
[   84.237637][ T4823]  ? do_user_addr_fault+0x694/0xc80
[   84.243258][ T4823]  grab_cache_page_write_begin+0x5c/0xa0
[   84.248900][ T4823]  cont_write_begin+0x56a/0x7b0
[   84.253731][ T4823]  ? lockdep_hardirqs_on+0x94/0x140
[   84.259185][ T4823]  ? generic_cont_expand_simple+0x190/0x190
[   84.265074][ T4823]  ? __get_user_nocheck_1+0x6/0x10
[   84.270305][ T4823]  hfs_write_begin+0x92/0xe0
[   84.274888][ T4823]  ? hfs_free_extents+0x430/0x430
[   84.279973][ T4823]  generic_perform_write+0x2aa/0x530
[   84.285376][ T4823]  ? __mark_inode_dirty+0x78b/0xc60
[   84.290583][ T4823]  ? grab_cache_page_write_begin+0xa0/0xa0
[   84.296462][ T4823]  ? file_remove_privs+0x590/0x590
[   84.301656][ T4823]  ? read_lock_is_recursive+0x10/0x10
[   84.307031][ T4823]  ? preempt_count_add+0x8d/0x190
[   84.312321][ T4823]  ? rwsem_write_trylock+0x12f/0x1b0
[   84.317779][ T4823]  ? clear_nonspinnable+0x60/0x60
[   84.322794][ T4823]  __generic_file_write_iter+0x25f/0x4e0
[   84.328415][ T4823]  generic_file_write_iter+0xa6/0x1b0
[   84.333961][ T4823]  vfs_write+0x712/0xd00
[   84.338325][ T4823]  ? file_end_write+0x250/0x250
[   84.343273][ T4823]  ? __fget_files+0x40f/0x480
[   84.347939][ T4823]  ? mutex_lock_nested+0x17/0x20
[   84.352942][ T4823]  ? __fdget_pos+0x2bf/0x370
[   84.357512][ T4823]  ? ksys_write+0x71/0x250
[   84.361911][ T4823]  ksys_write+0x14d/0x250
[   84.366351][ T4823]  ? __ia32_sys_read+0x80/0x80
[   84.371183][ T4823]  ? lockdep_hardirqs_on+0x94/0x140
[   84.376466][ T4823]  do_syscall_64+0x4c/0xa0
[   84.380871][ T4823]  ? clear_bhb_loop+0x30/0x80
[   84.385534][ T4823]  ? clear_bhb_loop+0x30/0x80
[   84.390305][ T4823]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   84.396302][ T4823] RIP: 0033:0x7fcffd87f959
[   84.400804][ T4823] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
[   84.420633][ T4823] RSP: 002b:00007fcffcc010c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   84.429587][ T4823] RAX: ffffffffffffffda RBX: 00007fcffd99ef80 RCX: 00007fcffd87f959
[   84.437639][ T4823] RDX: 00000000000ffe00 RSI: 0000000020004200 RDI: 0000000000000004
[   84.445603][ T4823] RBP: 00007fcffcc01120 R08: 0000000000000000 R09: 0000000000000000
[   84.453569][ T4823] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[   84.461525][ T4823] R13: 000000000000000b R14: 00007fcffd99ef80 R15: 00007ffc39629758
[   84.469981][ T4823]  </TASK>
[   84.536171][ T4825] loop0: detected capacity change from 0 to 64
[   84.546538][ T4825] hfs: unable to locate alternate MDB
[   84.552418][ T4825] hfs: continuing without an alternate MDB
[   84.563838][ T4825] FAULT_INJECTION: forcing a failure.
[   84.563838][ T4825] name failslab, interval 1, probability 0, space 0, times 0
[   84.577230][ T4825] CPU: 0 PID: 4825 Comm: syz-executor.0 Not tainted 5.15.189-syzkaller #0
[   84.585920][ T4825] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[   84.595976][ T4825] Call Trace:
[   84.599267][ T4825]  <TASK>
[   84.602194][ T4825]  dump_stack_lvl+0x168/0x230
[   84.607196][ T4825]  ? show_regs_print_info+0x20/0x20
[   84.612716][ T4825]  ? load_image+0x3b0/0x3b0
[   84.617340][ T4825]  ? __might_sleep+0xf0/0xf0
[   84.621924][ T4825]  ? __lock_acquire+0x7c60/0x7c60
[   84.627115][ T4825]  should_fail+0x38c/0x4c0
[   84.631541][ T4825]  should_failslab+0x5/0x20
[   84.636168][ T4825]  slab_pre_alloc_hook+0x51/0xc0
[   84.641110][ T4825]  __kmalloc_node+0x6e/0x3b0
[   84.645686][ T4825]  ? memcg_alloc_page_obj_cgroups+0x81/0x120
[   84.651776][ T4825]  memcg_alloc_page_obj_cgroups+0x81/0x120
[   84.657893][ T4825]  slab_post_alloc_hook+0xba/0x380
[   84.663020][ T4825]  ? alloc_buffer_head+0x21/0x100
[   84.668156][ T4825]  kmem_cache_alloc+0x100/0x290
[   84.673013][ T4825]  alloc_buffer_head+0x21/0x100
[   84.677945][ T4825]  alloc_page_buffers+0x341/0x600
[   84.683420][ T4825]  create_empty_buffers+0x3a/0x6d0
[   84.688628][ T4825]  create_page_buffers+0x1c4/0x320
[   84.693932][ T4825]  __block_write_begin_int+0x248/0x15a0
[   84.699750][ T4825]  ? page_cache_prev_miss+0x360/0x360
[   84.705209][ T4825]  ? mark_lock+0x94/0x320
[   84.709537][ T4825]  ? hfs_free_extents+0x430/0x430
[   84.714728][ T4825]  ? page_zero_new_buffers+0x490/0x490
[   84.720274][ T4825]  ? lockdep_hardirqs_on_prepare+0x3fc/0x760
[   84.726429][ T4825]  ? lock_chain_count+0x20/0x20
[   84.731379][ T4825]  ? do_user_addr_fault+0x694/0xc80
[   84.736765][ T4825]  ? wait_for_stable_page+0xd9/0x110
[   84.742054][ T4825]  cont_write_begin+0x58a/0x7b0
[   84.746895][ T4825]  ? lockdep_hardirqs_on+0x94/0x140
[   84.752165][ T4825]  ? generic_cont_expand_simple+0x190/0x190
[   84.758143][ T4825]  ? __get_user_nocheck_1+0x6/0x10
[   84.763241][ T4825]  hfs_write_begin+0x92/0xe0
[   84.767826][ T4825]  ? hfs_free_extents+0x430/0x430
[   84.773112][ T4825]  generic_perform_write+0x2aa/0x530
[   84.778504][ T4825]  ? __mark_inode_dirty+0x78b/0xc60
[   84.783702][ T4825]  ? grab_cache_page_write_begin+0xa0/0xa0
[   84.789768][ T4825]  ? file_remove_privs+0x590/0x590
[   84.794953][ T4825]  ? read_lock_is_recursive+0x10/0x10
[   84.800304][ T4825]  ? preempt_count_add+0x8d/0x190
[   84.805312][ T4825]  ? rwsem_write_trylock+0x12f/0x1b0
[   84.810576][ T4825]  ? clear_nonspinnable+0x60/0x60
[   84.815599][ T4825]  __generic_file_write_iter+0x25f/0x4e0
[   84.821309][ T4825]  generic_file_write_iter+0xa6/0x1b0
[   84.826699][ T4825]  vfs_write+0x712/0xd00
[   84.830997][ T4825]  ? file_end_write+0x250/0x250
[   84.835959][ T4825]  ? __fget_files+0x40f/0x480
[   84.841068][ T4825]  ? mutex_lock_nested+0x17/0x20
[   84.846034][ T4825]  ? __fdget_pos+0x2bf/0x370
[   84.850723][ T4825]  ? ksys_write+0x71/0x250
[   84.855126][ T4825]  ksys_write+0x14d/0x250
[   84.859569][ T4825]  ? __ia32_sys_read+0x80/0x80
[   84.864328][ T4825]  ? lockdep_hardirqs_on+0x94/0x140
[   84.869612][ T4825]  do_syscall_64+0x4c/0xa0
[   84.874016][ T4825]  ? clear_bhb_loop+0x30/0x80
[   84.878674][ T4825]  ? clear_bhb_loop+0x30/0x80
[   84.883361][ T4825]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   84.889261][ T4825] RIP: 0033:0x7fcffd87f959
[   84.893676][ T4825] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
[   84.913752][ T4825] RSP: 002b:00007fcffcc010c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   84.922274][ T4825] RAX: ffffffffffffffda RBX: 00007fcffd99ef80 RCX: 00007fcffd87f959
[   84.930806][ T4825] RDX: 00000000000ffe00 RSI: 0000000020004200 RDI: 0000000000000004
[   84.939009][ T4825] RBP: 00007fcffcc01120 R08: 0000000000000000 R09: 0000000000000000
[   84.947155][ T4825] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[   84.955483][ T4825] R13: 000000000000000b R14: 00007fcffd99ef80 R15: 00007ffc39629758
[   84.963453][ T4825]  </TASK>
[   85.049600][ T4827] loop0: detected capacity change from 0 to 64
[   85.058982][ T4827] hfs: unable to locate alternate MDB
[   85.064603][ T4827] hfs: continuing without an alternate MDB
[   85.074854][ T4827] FAULT_INJECTION: forcing a failure.
[   85.074854][ T4827] name fail_page_alloc, interval 1, probability 0, space 0, times 0
[   85.088756][ T4827] CPU: 0 PID: 4827 Comm: syz-executor.0 Not tainted 5.15.189-syzkaller #0
[   85.097579][ T4827] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[   85.107652][ T4827] Call Trace:
[   85.111028][ T4827]  <TASK>
[   85.114312][ T4827]  dump_stack_lvl+0x168/0x230
[   85.119021][ T4827]  ? show_regs_print_info+0x20/0x20
[   85.124297][ T4827]  ? load_image+0x3b0/0x3b0
[   85.128829][ T4827]  ? __lock_acquire+0x7c60/0x7c60
[   85.133863][ T4827]  should_fail+0x38c/0x4c0
[   85.138273][ T4827]  prepare_alloc_pages+0x1e4/0x5f0
[   85.143397][ T4827]  __alloc_pages+0x10e/0x470
[   85.148111][ T4827]  ? zone_statistics+0x170/0x170
[   85.153297][ T4827]  ? do_raw_spin_lock+0x11d/0x280
[   85.158352][ T4827]  ? alloc_pages+0x438/0x550
[   85.163112][ T4827]  __page_cache_alloc+0xd2/0x3f0
[   85.168066][ T4827]  ? add_to_page_cache_lru+0x4a0/0x4a0
[   85.173646][ T4827]  ? xas_descend+0x210/0x3b0
[   85.178317][ T4827]  ? xas_load+0x127/0x140
[   85.182784][ T4827]  pagecache_get_page+0x986/0xef0
[   85.187806][ T4827]  ? page_cache_prev_miss+0x360/0x360
[   85.193431][ T4827]  ? mark_lock+0x94/0x320
[   85.197859][ T4827]  ? lockdep_hardirqs_on_prepare+0x3fc/0x760
[   85.203933][ T4827]  ? lock_chain_count+0x20/0x20
[   85.208933][ T4827]  ? do_user_addr_fault+0x694/0xc80
[   85.214308][ T4827]  grab_cache_page_write_begin+0x5c/0xa0
[   85.220119][ T4827]  cont_write_begin+0x56a/0x7b0
[   85.224981][ T4827]  ? lockdep_hardirqs_on+0x94/0x140
[   85.230452][ T4827]  ? generic_cont_expand_simple+0x190/0x190
[   85.236461][ T4827]  ? __get_user_nocheck_1+0x6/0x10
[   85.241596][ T4827]  hfs_write_begin+0x92/0xe0
[   85.246203][ T4827]  ? hfs_free_extents+0x430/0x430
[   85.251250][ T4827]  generic_perform_write+0x2aa/0x530
[   85.256961][ T4827]  ? __mark_inode_dirty+0x78b/0xc60
[   85.262170][ T4827]  ? grab_cache_page_write_begin+0xa0/0xa0
[   85.268059][ T4827]  ? file_remove_privs+0x590/0x590
[   85.273166][ T4827]  ? read_lock_is_recursive+0x10/0x10
[   85.278748][ T4827]  ? preempt_count_add+0x8d/0x190
[   85.284084][ T4827]  ? rwsem_write_trylock+0x12f/0x1b0
[   85.289554][ T4827]  ? clear_nonspinnable+0x60/0x60
[   85.294617][ T4827]  __generic_file_write_iter+0x25f/0x4e0
[   85.300250][ T4827]  generic_file_write_iter+0xa6/0x1b0
[   85.305620][ T4827]  vfs_write+0x712/0xd00
[   85.309864][ T4827]  ? file_end_write+0x250/0x250
[   85.314720][ T4827]  ? __fget_files+0x40f/0x480
[   85.319503][ T4827]  ? mutex_lock_nested+0x17/0x20
[   85.324519][ T4827]  ? __fdget_pos+0x2bf/0x370
[   85.329224][ T4827]  ? ksys_write+0x71/0x250
[   85.333816][ T4827]  ksys_write+0x14d/0x250
[   85.338420][ T4827]  ? __ia32_sys_read+0x80/0x80
[   85.343185][ T4827]  ? lockdep_hardirqs_on+0x94/0x140
[   85.348476][ T4827]  do_syscall_64+0x4c/0xa0
[   85.352926][ T4827]  ? clear_bhb_loop+0x30/0x80
[   85.357796][ T4827]  ? clear_bhb_loop+0x30/0x80
[   85.362482][ T4827]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   85.368398][ T4827] RIP: 0033:0x7fcffd87f959
[   85.372898][ T4827] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
[   85.392941][ T4827] RSP: 002b:00007fcffcc010c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   85.401440][ T4827] RAX: ffffffffffffffda RBX: 00007fcffd99ef80 RCX: 00007fcffd87f959
[   85.409531][ T4827] RDX: 00000000000ffe00 RSI: 0000000020004200 RDI: 0000000000000004
[   85.417610][ T4827] RBP: 00007fcffcc01120 R08: 0000000000000000 R09: 0000000000000000
[   85.425594][ T4827] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[   85.433765][ T4827] R13: 000000000000000b R14: 00007fcffd99ef80 R15: 00007ffc39629758
[   85.442170][ T4827]  </TASK>
[   85.529473][ T4829] loop0: detected capacity change from 0 to 64
[   85.539045][ T4829] hfs: unable to locate alternate MDB
[   85.545914][ T4829] hfs: continuing without an alternate MDB
[   85.557030][ T4829] FAULT_INJECTION: forcing a failure.
[   85.557030][ T4829] name fail_page_alloc, interval 1, probability 0, space 0, times 0
[   85.571785][ T4829] CPU: 1 PID: 4829 Comm: syz-executor.0 Not tainted 5.15.189-syzkaller #0
[   85.580492][ T4829] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[   85.590589][ T4829] Call Trace:
[   85.593980][ T4829]  <TASK>
[   85.596913][ T4829]  dump_stack_lvl+0x168/0x230
[   85.601673][ T4829]  ? show_regs_print_info+0x20/0x20
[   85.606862][ T4829]  ? load_image+0x3b0/0x3b0
[   85.611471][ T4829]  ? __lock_acquire+0x7c60/0x7c60
[   85.616714][ T4829]  should_fail+0x38c/0x4c0
[   85.621359][ T4829]  prepare_alloc_pages+0x1e4/0x5f0
[   85.627123][ T4829]  __alloc_pages+0x10e/0x470
[   85.631722][ T4829]  ? zone_statistics+0x170/0x170
[   85.636965][ T4829]  ? do_raw_spin_lock+0x11d/0x280
[   85.642092][ T4829]  ? alloc_pages+0x438/0x550
[   85.646885][ T4829]  __page_cache_alloc+0xd2/0x3f0
[   85.651909][ T4829]  ? add_to_page_cache_lru+0x4a0/0x4a0
[   85.658045][ T4829]  ? xas_descend+0x210/0x3b0
[   85.662938][ T4829]  ? xas_load+0x127/0x140
[   85.667298][ T4829]  pagecache_get_page+0x986/0xef0
[   85.672708][ T4829]  ? page_cache_prev_miss+0x360/0x360
[   85.678166][ T4829]  ? mark_lock+0x94/0x320
[   85.682768][ T4829]  ? lockdep_hardirqs_on_prepare+0x3fc/0x760
[   85.688744][ T4829]  ? lock_chain_count+0x20/0x20
[   85.693588][ T4829]  ? do_user_addr_fault+0x694/0xc80
[   85.698784][ T4829]  grab_cache_page_write_begin+0x5c/0xa0
[   85.704572][ T4829]  cont_write_begin+0x56a/0x7b0
[   85.709508][ T4829]  ? lockdep_hardirqs_on+0x94/0x140
[   85.714877][ T4829]  ? generic_cont_expand_simple+0x190/0x190
[   85.721181][ T4829]  ? __get_user_nocheck_1+0x6/0x10
[   85.726766][ T4829]  hfs_write_begin+0x92/0xe0
[   85.731474][ T4829]  ? hfs_free_extents+0x430/0x430
[   85.736592][ T4829]  generic_perform_write+0x2aa/0x530
[   85.742034][ T4829]  ? __mark_inode_dirty+0x78b/0xc60
[   85.747662][ T4829]  ? grab_cache_page_write_begin+0xa0/0xa0
[   85.753527][ T4829]  ? file_remove_privs+0x590/0x590
[   85.758828][ T4829]  ? read_lock_is_recursive+0x10/0x10
[   85.764386][ T4829]  ? preempt_count_add+0x8d/0x190
[   85.769636][ T4829]  ? rwsem_write_trylock+0x12f/0x1b0
[   85.774921][ T4829]  ? clear_nonspinnable+0x60/0x60
[   85.779962][ T4829]  __generic_file_write_iter+0x25f/0x4e0
[   85.785618][ T4829]  generic_file_write_iter+0xa6/0x1b0
[   85.791001][ T4829]  vfs_write+0x712/0xd00
[   85.795352][ T4829]  ? file_end_write+0x250/0x250
[   85.800203][ T4829]  ? __fget_files+0x40f/0x480
[   85.805082][ T4829]  ? mutex_lock_nested+0x17/0x20
[   85.810104][ T4829]  ? __fdget_pos+0x2bf/0x370
[   85.814728][ T4829]  ? ksys_write+0x71/0x250
[   85.819158][ T4829]  ksys_write+0x14d/0x250
[   85.823494][ T4829]  ? __ia32_sys_read+0x80/0x80
[   85.828310][ T4829]  ? lockdep_hardirqs_on+0x94/0x140
[   85.833544][ T4829]  do_syscall_64+0x4c/0xa0
[   85.837972][ T4829]  ? clear_bhb_loop+0x30/0x80
[   85.842904][ T4829]  ? clear_bhb_loop+0x30/0x80
[   85.848089][ T4829]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   85.854118][ T4829] RIP: 0033:0x7fcffd87f959
[   85.858538][ T4829] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
[   85.878589][ T4829] RSP: 002b:00007fcffcc010c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   85.887099][ T4829] RAX: ffffffffffffffda RBX: 00007fcffd99ef80 RCX: 00007fcffd87f959
[   85.895158][ T4829] RDX: 00000000000ffe00 RSI: 0000000020004200 RDI: 0000000000000004
[   85.903206][ T4829] RBP: 00007fcffcc01120 R08: 0000000000000000 R09: 0000000000000000
[   85.911495][ T4829] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[   85.919548][ T4829] R13: 000000000000000b R14: 00007fcffd99ef80 R15: 00007ffc39629758
[   85.928036][ T4829]  </TASK>
[   86.009748][ T4831] loop0: detected capacity change from 0 to 64
[   86.020002][ T4831] hfs: unable to locate alternate MDB
[   86.025770][ T4831] hfs: continuing without an alternate MDB
[   86.036946][ T4831] FAULT_INJECTION: forcing a failure.
[   86.036946][ T4831] name fail_page_alloc, interval 1, probability 0, space 0, times 0
[   86.051101][ T4831] CPU: 1 PID: 4831 Comm: syz-executor.0 Not tainted 5.15.189-syzkaller #0
[   86.059873][ T4831] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[   86.070302][ T4831] Call Trace:
[   86.073949][ T4831]  <TASK>
[   86.077014][ T4831]  dump_stack_lvl+0x168/0x230
[   86.082050][ T4831]  ? show_regs_print_info+0x20/0x20
[   86.087333][ T4831]  ? load_image+0x3b0/0x3b0
[   86.091846][ T4831]  ? __lock_acquire+0x7c60/0x7c60
[   86.097037][ T4831]  should_fail+0x38c/0x4c0
[   86.101460][ T4831]  prepare_alloc_pages+0x1e4/0x5f0
[   86.106577][ T4831]  __alloc_pages+0x10e/0x470
[   86.111327][ T4831]  ? zone_statistics+0x170/0x170
[   86.116353][ T4831]  ? do_raw_spin_lock+0x11d/0x280
[   86.121742][ T4831]  ? alloc_pages+0x438/0x550
[   86.126364][ T4831]  __page_cache_alloc+0xd2/0x3f0
[   86.131363][ T4831]  ? add_to_page_cache_lru+0x4a0/0x4a0
[   86.137052][ T4831]  ? xas_descend+0x210/0x3b0
[   86.141826][ T4831]  ? xas_load+0x127/0x140
[   86.146240][ T4831]  pagecache_get_page+0x986/0xef0
[   86.151477][ T4831]  ? page_cache_prev_miss+0x360/0x360
[   86.156842][ T4831]  ? mark_lock+0x94/0x320
[   86.161348][ T4831]  ? lockdep_hardirqs_on_prepare+0x3fc/0x760
[   86.167444][ T4831]  ? lock_chain_count+0x20/0x20
[   86.172310][ T4831]  ? do_user_addr_fault+0x694/0xc80
[   86.177985][ T4831]  grab_cache_page_write_begin+0x5c/0xa0
[   86.183945][ T4831]  cont_write_begin+0x56a/0x7b0
[   86.188958][ T4831]  ? lockdep_hardirqs_on+0x94/0x140
[   86.194144][ T4831]  ? generic_cont_expand_simple+0x190/0x190
[   86.200150][ T4831]  ? __get_user_nocheck_1+0x6/0x10
[   86.205434][ T4831]  hfs_write_begin+0x92/0xe0
[   86.210217][ T4831]  ? hfs_free_extents+0x430/0x430
[   86.215596][ T4831]  generic_perform_write+0x2aa/0x530
[   86.221172][ T4831]  ? __mark_inode_dirty+0x78b/0xc60
[   86.226367][ T4831]  ? grab_cache_page_write_begin+0xa0/0xa0
[   86.232249][ T4831]  ? file_remove_privs+0x590/0x590
[   86.237538][ T4831]  ? read_lock_is_recursive+0x10/0x10
[   86.242890][ T4831]  ? preempt_count_add+0x8d/0x190
[   86.247900][ T4831]  ? rwsem_write_trylock+0x12f/0x1b0
[   86.253288][ T4831]  ? clear_nonspinnable+0x60/0x60
[   86.258446][ T4831]  __generic_file_write_iter+0x25f/0x4e0
[   86.264070][ T4831]  generic_file_write_iter+0xa6/0x1b0
[   86.269610][ T4831]  vfs_write+0x712/0xd00
[   86.273859][ T4831]  ? file_end_write+0x250/0x250
[   86.278793][ T4831]  ? __fget_files+0x40f/0x480
[   86.283481][ T4831]  ? mutex_lock_nested+0x17/0x20
[   86.288597][ T4831]  ? __fdget_pos+0x2bf/0x370
[   86.293290][ T4831]  ? ksys_write+0x71/0x250
[   86.297702][ T4831]  ksys_write+0x14d/0x250
[   86.302134][ T4831]  ? __ia32_sys_read+0x80/0x80
[   86.306939][ T4831]  ? lockdep_hardirqs_on+0x94/0x140
[   86.312131][ T4831]  do_syscall_64+0x4c/0xa0
[   86.316544][ T4831]  ? clear_bhb_loop+0x30/0x80
[   86.321211][ T4831]  ? clear_bhb_loop+0x30/0x80
[   86.325871][ T4831]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   86.332286][ T4831] RIP: 0033:0x7fcffd87f959
[   86.336834][ T4831] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
[   86.357758][ T4831] RSP: 002b:00007fcffcc010c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   86.366454][ T4831] RAX: ffffffffffffffda RBX: 00007fcffd99ef80 RCX: 00007fcffd87f959
[   86.374517][ T4831] RDX: 00000000000ffe00 RSI: 0000000020004200 RDI: 0000000000000004
[   86.382590][ T4831] RBP: 00007fcffcc01120 R08: 0000000000000000 R09: 0000000000000000
[   86.390567][ T4831] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[   86.398883][ T4831] R13: 000000000000000b R14: 00007fcffd99ef80 R15: 00007ffc39629758
[   86.406856][ T4831]  </TASK>
[   86.471568][ T4833] loop0: detected capacity change from 0 to 64
[   86.482527][ T4833] hfs: unable to locate alternate MDB
[   86.488717][ T4833] hfs: continuing without an alternate MDB
[   86.499218][ T4833] FAULT_INJECTION: forcing a failure.
[   86.499218][ T4833] name fail_usercopy, interval 1, probability 0, space 0, times 0
[   86.512436][ T4833] CPU: 0 PID: 4833 Comm: syz-executor.0 Not tainted 5.15.189-syzkaller #0
[   86.521226][ T4833] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[   86.531392][ T4833] Call Trace:
[   86.534697][ T4833]  <TASK>
[   86.537738][ T4833]  dump_stack_lvl+0x168/0x230
[   86.542594][ T4833]  ? show_regs_print_info+0x20/0x20
[   86.547789][ T4833]  ? load_image+0x3b0/0x3b0
[   86.552384][ T4833]  ? hfs_free_extents+0x430/0x430
[   86.557489][ T4833]  ? page_zero_new_buffers+0x490/0x490
[   86.563111][ T4833]  ? lockdep_hardirqs_on_prepare+0x3fc/0x760
[   86.569301][ T4833]  ? lock_chain_count+0x20/0x20
[   86.574365][ T4833]  should_fail+0x38c/0x4c0
[   86.578995][ T4833]  copy_page_from_iter_atomic+0x436/0x1520
[   86.584814][ T4833]  ? pipe_zero+0x370/0x370
[   86.589231][ T4833]  ? __get_user_nocheck_1+0x6/0x10
[   86.594369][ T4833]  ? hfs_write_begin+0x92/0xe0
[   86.599292][ T4833]  ? hfs_free_extents+0x430/0x430
[   86.604305][ T4833]  ? hfs_write_begin+0xac/0xe0
[   86.609348][ T4833]  generic_perform_write+0x2ff/0x530
[   86.614653][ T4833]  ? __mark_inode_dirty+0x78b/0xc60
[   86.619972][ T4833]  ? grab_cache_page_write_begin+0xa0/0xa0
[   86.625882][ T4833]  ? file_remove_privs+0x590/0x590
[   86.630990][ T4833]  ? read_lock_is_recursive+0x10/0x10
[   86.636563][ T4833]  ? preempt_count_add+0x8d/0x190
[   86.641884][ T4833]  ? rwsem_write_trylock+0x12f/0x1b0
[   86.647181][ T4833]  ? clear_nonspinnable+0x60/0x60
[   86.652250][ T4833]  __generic_file_write_iter+0x25f/0x4e0
[   86.658128][ T4833]  generic_file_write_iter+0xa6/0x1b0
[   86.663518][ T4833]  vfs_write+0x712/0xd00
[   86.667773][ T4833]  ? file_end_write+0x250/0x250
[   86.672725][ T4833]  ? __fget_files+0x40f/0x480
[   86.677483][ T4833]  ? mutex_lock_nested+0x17/0x20
[   86.682652][ T4833]  ? __fdget_pos+0x2bf/0x370
[   86.687608][ T4833]  ? ksys_write+0x71/0x250
[   86.692202][ T4833]  ksys_write+0x14d/0x250
[   86.696681][ T4833]  ? __ia32_sys_read+0x80/0x80
[   86.701534][ T4833]  ? lockdep_hardirqs_on+0x94/0x140
[   86.706904][ T4833]  do_syscall_64+0x4c/0xa0
[   86.711405][ T4833]  ? clear_bhb_loop+0x30/0x80
[   86.716160][ T4833]  ? clear_bhb_loop+0x30/0x80
[   86.720873][ T4833]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   86.726983][ T4833] RIP: 0033:0x7fcffd87f959
[   86.731477][ T4833] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
[   86.752115][ T4833] RSP: 002b:00007fcffcc010c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   86.760523][ T4833] RAX: ffffffffffffffda RBX: 00007fcffd99ef80 RCX: 00007fcffd87f959
[   86.768493][ T4833] RDX: 00000000000ffe00 RSI: 0000000020004200 RDI: 0000000000000004
[   86.777019][ T4833] RBP: 00007fcffcc01120 R08: 0000000000000000 R09: 0000000000000000
[   86.784985][ T4833] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[   86.793049][ T4833] R13: 000000000000000b R14: 00007fcffd99ef80 R15: 00007ffc39629758
[   86.801104][ T4833]  </TASK>
[   86.871221][ T4835] loop0: detected capacity change from 0 to 64
[   86.881257][ T4835] hfs: unable to locate alternate MDB
[   86.886764][ T4835] hfs: continuing without an alternate MDB
[   86.897763][ T4835] FAULT_INJECTION: forcing a failure.
[   86.897763][ T4835] name fail_page_alloc, interval 1, probability 0, space 0, times 0
[   86.912063][ T4835] CPU: 0 PID: 4835 Comm: syz-executor.0 Not tainted 5.15.189-syzkaller #0
[   86.920847][ T4835] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[   86.931020][ T4835] Call Trace:
[   86.934346][ T4835]  <TASK>
[   86.937344][ T4835]  dump_stack_lvl+0x168/0x230
[   86.942018][ T4835]  ? show_regs_print_info+0x20/0x20
[   86.947235][ T4835]  ? load_image+0x3b0/0x3b0
[   86.951762][ T4835]  ? __lock_acquire+0x7c60/0x7c60
[   86.956898][ T4835]  should_fail+0x38c/0x4c0
[   86.961401][ T4835]  prepare_alloc_pages+0x1e4/0x5f0
[   86.966648][ T4835]  __alloc_pages+0x10e/0x470
[   86.971238][ T4835]  ? zone_statistics+0x170/0x170
[   86.976180][ T4835]  ? do_raw_spin_lock+0x11d/0x280
[   86.981191][ T4835]  ? alloc_pages+0x438/0x550
[   86.985880][ T4835]  __page_cache_alloc+0xd2/0x3f0
[   86.990802][ T4835]  ? add_to_page_cache_lru+0x4a0/0x4a0
[   86.996240][ T4835]  ? xas_descend+0x210/0x3b0
[   87.000950][ T4835]  ? xas_load+0x127/0x140
[   87.005370][ T4835]  pagecache_get_page+0x986/0xef0
[   87.010534][ T4835]  ? page_cache_prev_miss+0x360/0x360
[   87.016074][ T4835]  ? mark_lock+0x94/0x320
[   87.020411][ T4835]  ? lockdep_hardirqs_on_prepare+0x3fc/0x760
[   87.026398][ T4835]  ? lock_chain_count+0x20/0x20
[   87.031503][ T4835]  ? do_user_addr_fault+0x694/0xc80
[   87.036789][ T4835]  grab_cache_page_write_begin+0x5c/0xa0
[   87.042457][ T4835]  cont_write_begin+0x56a/0x7b0
[   87.047378][ T4835]  ? lockdep_hardirqs_on+0x94/0x140
[   87.052591][ T4835]  ? generic_cont_expand_simple+0x190/0x190
[   87.058657][ T4835]  ? __get_user_nocheck_1+0x6/0x10
[   87.063791][ T4835]  hfs_write_begin+0x92/0xe0
[   87.068748][ T4835]  ? hfs_free_extents+0x430/0x430
[   87.073999][ T4835]  generic_perform_write+0x2aa/0x530
[   87.079284][ T4835]  ? __mark_inode_dirty+0x78b/0xc60
[   87.084754][ T4835]  ? grab_cache_page_write_begin+0xa0/0xa0
[   87.090987][ T4835]  ? file_remove_privs+0x590/0x590
[   87.096112][ T4835]  ? read_lock_is_recursive+0x10/0x10
[   87.101671][ T4835]  ? preempt_count_add+0x8d/0x190
[   87.106758][ T4835]  ? rwsem_write_trylock+0x12f/0x1b0
[   87.112158][ T4835]  ? clear_nonspinnable+0x60/0x60
[   87.117178][ T4835]  __generic_file_write_iter+0x25f/0x4e0
[   87.122912][ T4835]  generic_file_write_iter+0xa6/0x1b0
[   87.128287][ T4835]  vfs_write+0x712/0xd00
[   87.132729][ T4835]  ? file_end_write+0x250/0x250
[   87.137656][ T4835]  ? __fget_files+0x40f/0x480
[   87.142332][ T4835]  ? mutex_lock_nested+0x17/0x20
[   87.147260][ T4835]  ? __fdget_pos+0x2bf/0x370
[   87.151848][ T4835]  ? ksys_write+0x71/0x250
[   87.156363][ T4835]  ksys_write+0x14d/0x250
[   87.160689][ T4835]  ? __ia32_sys_read+0x80/0x80
[   87.165478][ T4835]  ? lockdep_hardirqs_on+0x94/0x140
[   87.170679][ T4835]  do_syscall_64+0x4c/0xa0
[   87.175101][ T4835]  ? clear_bhb_loop+0x30/0x80
[   87.179887][ T4835]  ? clear_bhb_loop+0x30/0x80
[   87.184658][ T4835]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   87.190641][ T4835] RIP: 0033:0x7fcffd87f959
[   87.195221][ T4835] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
[   87.215027][ T4835] RSP: 002b:00007fcffcc010c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   87.223955][ T4835] RAX: ffffffffffffffda RBX: 00007fcffd99ef80 RCX: 00007fcffd87f959
[   87.232111][ T4835] RDX: 00000000000ffe00 RSI: 0000000020004200 RDI: 0000000000000004
[   87.240107][ T4835] RBP: 00007fcffcc01120 R08: 0000000000000000 R09: 0000000000000000
[   87.248098][ T4835] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[   87.256103][ T4835] R13: 000000000000000b R14: 00007fcffd99ef80 R15: 00007ffc39629758
[   87.264086][ T4835]  </TASK>
[   87.339249][ T4837] loop0: detected capacity change from 0 to 64
[   87.348868][ T4837] hfs: unable to locate alternate MDB
[   87.355857][ T4837] hfs: continuing without an alternate MDB
[   87.369155][ T4837] FAULT_INJECTION: forcing a failure.
[   87.369155][ T4837] name fail_page_alloc, interval 1, probability 0, space 0, times 0
[   87.383344][ T4837] CPU: 0 PID: 4837 Comm: syz-executor.0 Not tainted 5.15.189-syzkaller #0
[   87.391859][ T4837] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[   87.402103][ T4837] Call Trace:
[   87.405576][ T4837]  <TASK>
[   87.408521][ T4837]  dump_stack_lvl+0x168/0x230
[   87.413203][ T4837]  ? show_regs_print_info+0x20/0x20
[   87.418558][ T4837]  ? load_image+0x3b0/0x3b0
[   87.423165][ T4837]  ? __lock_acquire+0x7c60/0x7c60
[   87.428383][ T4837]  should_fail+0x38c/0x4c0
[   87.432833][ T4837]  prepare_alloc_pages+0x1e4/0x5f0
[   87.438036][ T4837]  __alloc_pages+0x10e/0x470
[   87.442656][ T4837]  ? zone_statistics+0x170/0x170
[   87.447675][ T4837]  ? do_raw_spin_lock+0x11d/0x280
[   87.452705][ T4837]  ? alloc_pages+0x438/0x550
[   87.457307][ T4837]  __page_cache_alloc+0xd2/0x3f0
[   87.462424][ T4837]  ? add_to_page_cache_lru+0x4a0/0x4a0
[   87.468075][ T4837]  ? xas_descend+0x210/0x3b0
[   87.472775][ T4837]  ? xas_load+0x127/0x140
[   87.477223][ T4837]  pagecache_get_page+0x986/0xef0
[   87.482372][ T4837]  ? page_cache_prev_miss+0x360/0x360
[   87.487763][ T4837]  ? mark_lock+0x94/0x320
[   87.492189][ T4837]  ? lockdep_hardirqs_on_prepare+0x3fc/0x760
[   87.498248][ T4837]  ? lock_chain_count+0x20/0x20
[   87.503350][ T4837]  ? do_user_addr_fault+0x694/0xc80
[   87.508667][ T4837]  grab_cache_page_write_begin+0x5c/0xa0
[   87.514410][ T4837]  cont_write_begin+0x56a/0x7b0
[   87.519449][ T4837]  ? lockdep_hardirqs_on+0x94/0x140
[   87.524998][ T4837]  ? generic_cont_expand_simple+0x190/0x190
[   87.530984][ T4837]  ? __get_user_nocheck_1+0x6/0x10
[   87.536223][ T4837]  hfs_write_begin+0x92/0xe0
[   87.541281][ T4837]  ? hfs_free_extents+0x430/0x430
[   87.546446][ T4837]  generic_perform_write+0x2aa/0x530
[   87.551927][ T4837]  ? __mark_inode_dirty+0x78b/0xc60
[   87.557215][ T4837]  ? grab_cache_page_write_begin+0xa0/0xa0
[   87.563015][ T4837]  ? file_remove_privs+0x590/0x590
[   87.568302][ T4837]  ? read_lock_is_recursive+0x10/0x10
[   87.573795][ T4837]  ? preempt_count_add+0x8d/0x190
[   87.578842][ T4837]  ? rwsem_write_trylock+0x12f/0x1b0
[   87.584129][ T4837]  ? clear_nonspinnable+0x60/0x60
[   87.589174][ T4837]  __generic_file_write_iter+0x25f/0x4e0
[   87.594942][ T4837]  generic_file_write_iter+0xa6/0x1b0
[   87.600326][ T4837]  vfs_write+0x712/0xd00
[   87.604795][ T4837]  ? file_end_write+0x250/0x250
[   87.609740][ T4837]  ? __fget_files+0x40f/0x480
[   87.614420][ T4837]  ? mutex_lock_nested+0x17/0x20
[   87.619373][ T4837]  ? __fdget_pos+0x2bf/0x370
[   87.623954][ T4837]  ? ksys_write+0x71/0x250
[   87.628460][ T4837]  ksys_write+0x14d/0x250
[   87.632794][ T4837]  ? __ia32_sys_read+0x80/0x80
[   87.637567][ T4837]  ? lockdep_hardirqs_on+0x94/0x140
[   87.642860][ T4837]  do_syscall_64+0x4c/0xa0
[   87.647296][ T4837]  ? clear_bhb_loop+0x30/0x80
[   87.652531][ T4837]  ? clear_bhb_loop+0x30/0x80
[   87.657662][ T4837]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   87.663641][ T4837] RIP: 0033:0x7fcffd87f959
[   87.668135][ T4837] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
2025/08/18 13:19:48 executed programs: 28
[   87.687729][ T4837] RSP: 002b:00007fcffcc010c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   87.696597][ T4837] RAX: ffffffffffffffda RBX: 00007fcffd99ef80 RCX: 00007fcffd87f959
[   87.704586][ T4837] RDX: 00000000000ffe00 RSI: 0000000020004200 RDI: 0000000000000004
[   87.712670][ T4837] RBP: 00007fcffcc01120 R08: 0000000000000000 R09: 0000000000000000
[   87.720899][ T4837] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[   87.728959][ T4837] R13: 000000000000000b R14: 00007fcffd99ef80 R15: 00007ffc39629758
[   87.737073][ T4837]  </TASK>
[   87.811565][ T4839] loop0: detected capacity change from 0 to 64
[   87.822443][ T4839] hfs: unable to locate alternate MDB
[   87.827850][ T4839] hfs: continuing without an alternate MDB
[   87.837906][ T4839] FAULT_INJECTION: forcing a failure.
[   87.837906][ T4839] name fail_usercopy, interval 1, probability 0, space 0, times 0
[   87.851448][ T4839] CPU: 0 PID: 4839 Comm: syz-executor.0 Not tainted 5.15.189-syzkaller #0
[   87.859968][ T4839] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[   87.870154][ T4839] Call Trace:
[   87.873455][ T4839]  <TASK>
[   87.876398][ T4839]  dump_stack_lvl+0x168/0x230
[   87.881079][ T4839]  ? show_regs_print_info+0x20/0x20
[   87.886292][ T4839]  ? load_image+0x3b0/0x3b0
[   87.890971][ T4839]  ? hfs_free_extents+0x430/0x430
[   87.896294][ T4839]  ? page_zero_new_buffers+0x490/0x490
[   87.901859][ T4839]  ? lockdep_hardirqs_on_prepare+0x3fc/0x760
[   87.908098][ T4839]  ? lock_chain_count+0x20/0x20
[   87.913050][ T4839]  should_fail+0x38c/0x4c0
[   87.917723][ T4839]  copy_page_from_iter_atomic+0x436/0x1520
[   87.923651][ T4839]  ? pipe_zero+0x370/0x370
[   87.928325][ T4839]  ? __get_user_nocheck_1+0x6/0x10
[   87.933703][ T4839]  ? hfs_write_begin+0x92/0xe0
[   87.938651][ T4839]  ? hfs_free_extents+0x430/0x430
[   87.943666][ T4839]  ? hfs_write_begin+0xac/0xe0
[   87.948597][ T4839]  generic_perform_write+0x2ff/0x530
[   87.954109][ T4839]  ? __mark_inode_dirty+0x78b/0xc60
[   87.959496][ T4839]  ? grab_cache_page_write_begin+0xa0/0xa0
[   87.965312][ T4839]  ? file_remove_privs+0x590/0x590
[   87.970558][ T4839]  ? read_lock_is_recursive+0x10/0x10
[   87.975975][ T4839]  ? preempt_count_add+0x8d/0x190
[   87.981070][ T4839]  ? rwsem_write_trylock+0x12f/0x1b0
[   87.986358][ T4839]  ? clear_nonspinnable+0x60/0x60
[   87.991676][ T4839]  __generic_file_write_iter+0x25f/0x4e0
[   87.997754][ T4839]  generic_file_write_iter+0xa6/0x1b0
[   88.003256][ T4839]  vfs_write+0x712/0xd00
[   88.007548][ T4839]  ? file_end_write+0x250/0x250
[   88.012588][ T4839]  ? __fget_files+0x40f/0x480
[   88.017505][ T4839]  ? mutex_lock_nested+0x17/0x20
[   88.022531][ T4839]  ? __fdget_pos+0x2bf/0x370
[   88.027301][ T4839]  ? ksys_write+0x71/0x250
[   88.031800][ T4839]  ksys_write+0x14d/0x250
[   88.036148][ T4839]  ? __ia32_sys_read+0x80/0x80
[   88.040923][ T4839]  ? lockdep_hardirqs_on+0x94/0x140
[   88.046226][ T4839]  do_syscall_64+0x4c/0xa0
[   88.050662][ T4839]  ? clear_bhb_loop+0x30/0x80
[   88.055364][ T4839]  ? clear_bhb_loop+0x30/0x80
[   88.060120][ T4839]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   88.066032][ T4839] RIP: 0033:0x7fcffd87f959
[   88.070642][ T4839] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
[   88.090406][ T4839] RSP: 002b:00007fcffcc010c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   88.098924][ T4839] RAX: ffffffffffffffda RBX: 00007fcffd99ef80 RCX: 00007fcffd87f959
[   88.106996][ T4839] RDX: 00000000000ffe00 RSI: 0000000020004200 RDI: 0000000000000004
[   88.114956][ T4839] RBP: 00007fcffcc01120 R08: 0000000000000000 R09: 0000000000000000
[   88.123011][ T4839] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[   88.131131][ T4839] R13: 000000000000000b R14: 00007fcffd99ef80 R15: 00007ffc39629758
[   88.139475][ T4839]  </TASK>
[   88.207870][ T4841] loop0: detected capacity change from 0 to 64
[   88.217939][ T4841] hfs: unable to locate alternate MDB
[   88.223647][ T4841] hfs: continuing without an alternate MDB
[   88.234756][ T4841] FAULT_INJECTION: forcing a failure.
[   88.234756][ T4841] name fail_page_alloc, interval 1, probability 0, space 0, times 0
[   88.249449][ T4841] CPU: 0 PID: 4841 Comm: syz-executor.0 Not tainted 5.15.189-syzkaller #0
[   88.257974][ T4841] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[   88.268253][ T4841] Call Trace:
[   88.271627][ T4841]  <TASK>
[   88.274691][ T4841]  dump_stack_lvl+0x168/0x230
[   88.279365][ T4841]  ? show_regs_print_info+0x20/0x20
[   88.284552][ T4841]  ? load_image+0x3b0/0x3b0
[   88.289133][ T4841]  ? __lock_acquire+0x7c60/0x7c60
[   88.294702][ T4841]  should_fail+0x38c/0x4c0
[   88.299143][ T4841]  prepare_alloc_pages+0x1e4/0x5f0
[   88.304368][ T4841]  __alloc_pages+0x10e/0x470
[   88.308976][ T4841]  ? zone_statistics+0x170/0x170
[   88.313911][ T4841]  ? do_raw_spin_lock+0x11d/0x280
[   88.319057][ T4841]  ? alloc_pages+0x438/0x550
[   88.323861][ T4841]  __page_cache_alloc+0xd2/0x3f0
[   88.329066][ T4841]  ? add_to_page_cache_lru+0x4a0/0x4a0
[   88.334515][ T4841]  ? xas_descend+0x210/0x3b0
[   88.339423][ T4841]  ? xas_load+0x127/0x140
[   88.343943][ T4841]  pagecache_get_page+0x986/0xef0
[   88.349035][ T4841]  ? page_cache_prev_miss+0x360/0x360
[   88.354511][ T4841]  ? mark_lock+0x94/0x320
[   88.358839][ T4841]  ? lockdep_hardirqs_on_prepare+0x3fc/0x760
[   88.364813][ T4841]  ? lock_chain_count+0x20/0x20
[   88.369752][ T4841]  ? do_user_addr_fault+0x694/0xc80
[   88.375104][ T4841]  grab_cache_page_write_begin+0x5c/0xa0
[   88.380942][ T4841]  cont_write_begin+0x56a/0x7b0
[   88.386025][ T4841]  ? lockdep_hardirqs_on+0x94/0x140
[   88.391227][ T4841]  ? generic_cont_expand_simple+0x190/0x190
[   88.398057][ T4841]  ? __get_user_nocheck_1+0x6/0x10
[   88.403169][ T4841]  hfs_write_begin+0x92/0xe0
[   88.407746][ T4841]  ? hfs_free_extents+0x430/0x430
[   88.412787][ T4841]  generic_perform_write+0x2aa/0x530
[   88.418066][ T4841]  ? __mark_inode_dirty+0x78b/0xc60
[   88.423554][ T4841]  ? grab_cache_page_write_begin+0xa0/0xa0
[   88.429541][ T4841]  ? file_remove_privs+0x590/0x590
[   88.434781][ T4841]  ? read_lock_is_recursive+0x10/0x10
[   88.440298][ T4841]  ? preempt_count_add+0x8d/0x190
[   88.445333][ T4841]  ? rwsem_write_trylock+0x12f/0x1b0
[   88.450895][ T4841]  ? clear_nonspinnable+0x60/0x60
[   88.456167][ T4841]  __generic_file_write_iter+0x25f/0x4e0
[   88.461793][ T4841]  generic_file_write_iter+0xa6/0x1b0
[   88.467261][ T4841]  vfs_write+0x712/0xd00
[   88.471783][ T4841]  ? file_end_write+0x250/0x250
[   88.476647][ T4841]  ? __fget_files+0x40f/0x480
[   88.481409][ T4841]  ? mutex_lock_nested+0x17/0x20
[   88.486565][ T4841]  ? __fdget_pos+0x2bf/0x370
[   88.491343][ T4841]  ? ksys_write+0x71/0x250
[   88.496085][ T4841]  ksys_write+0x14d/0x250
[   88.500586][ T4841]  ? __ia32_sys_read+0x80/0x80
[   88.505510][ T4841]  ? lockdep_hardirqs_on+0x94/0x140
[   88.510691][ T4841]  do_syscall_64+0x4c/0xa0
[   88.515103][ T4841]  ? clear_bhb_loop+0x30/0x80
[   88.519859][ T4841]  ? clear_bhb_loop+0x30/0x80
[   88.524656][ T4841]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   88.531273][ T4841] RIP: 0033:0x7fcffd87f959
[   88.535777][ T4841] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
[   88.556155][ T4841] RSP: 002b:00007fcffcc010c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   88.564763][ T4841] RAX: ffffffffffffffda RBX: 00007fcffd99ef80 RCX: 00007fcffd87f959
[   88.572949][ T4841] RDX: 00000000000ffe00 RSI: 0000000020004200 RDI: 0000000000000004
[   88.580940][ T4841] RBP: 00007fcffcc01120 R08: 0000000000000000 R09: 0000000000000000
[   88.589038][ T4841] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[   88.597102][ T4841] R13: 000000000000000b R14: 00007fcffd99ef80 R15: 00007ffc39629758
[   88.605286][ T4841]  </TASK>
[   88.692186][ T4843] loop0: detected capacity change from 0 to 64
[   88.702912][ T4843] hfs: unable to locate alternate MDB
[   88.708450][ T4843] hfs: continuing without an alternate MDB
[   88.719218][ T4843] FAULT_INJECTION: forcing a failure.
[   88.719218][ T4843] name failslab, interval 1, probability 0, space 0, times 0
[   88.734743][ T4843] CPU: 1 PID: 4843 Comm: syz-executor.0 Not tainted 5.15.189-syzkaller #0
[   88.743291][ T4843] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[   88.753368][ T4843] Call Trace:
[   88.756666][ T4843]  <TASK>
[   88.759589][ T4843]  dump_stack_lvl+0x168/0x230
[   88.764349][ T4843]  ? show_regs_print_info+0x20/0x20
[   88.769548][ T4843]  ? load_image+0x3b0/0x3b0
[   88.774158][ T4843]  ? __lock_acquire+0x7c60/0x7c60
[   88.779434][ T4843]  ? mark_lock+0x94/0x320
[   88.783775][ T4843]  should_fail+0x38c/0x4c0
[   88.788291][ T4843]  should_failslab+0x5/0x20
[   88.792963][ T4843]  slab_pre_alloc_hook+0x51/0xc0
[   88.798037][ T4843]  __kmalloc+0x6b/0x330
[   88.802273][ T4843]  ? __hfs_bnode_create+0xf5/0xba0
[   88.807738][ T4843]  __hfs_bnode_create+0xf5/0xba0
[   88.812905][ T4843]  ? hfs_bnode_find+0x213/0xce0
[   88.818014][ T4843]  ? hfs_bnode_get+0x40/0x40
[   88.822592][ T4843]  ? do_raw_spin_lock+0x11d/0x280
[   88.827846][ T4843]  ? __rwlock_init+0x140/0x140
[   88.832608][ T4843]  ? do_raw_spin_unlock+0x11d/0x230
[   88.838229][ T4843]  hfs_bnode_find+0x220/0xce0
[   88.843006][ T4843]  ? __lock_acquire+0x13ad/0x7c60
[   88.848412][ T4843]  ? hfs_bnode_unlink+0x7e0/0x7e0
[   88.853610][ T4843]  ? hfs_bmap_reserve+0x3df/0x420
[   88.858643][ T4843]  hfs_bmap_alloc+0xa0/0x660
[   88.863224][ T4843]  ? verify_lock_unused+0x140/0x140
[   88.868406][ T4843]  ? is_bpf_text_address+0x254/0x270
[   88.873786][ T4843]  ? hfs_bmap_reserve+0x420/0x420
[   88.878905][ T4843]  ? __kernel_text_address+0x9a/0x100
[   88.884483][ T4843]  ? stack_trace_save+0xe0/0xe0
[   88.889413][ T4843]  ? arch_stack_walk+0xf2/0x140
[   88.894282][ T4843]  hfs_btree_inc_height+0xf3/0xac0
[   88.899397][ T4843]  ? hfs_brec_insert+0xbc0/0xbc0
[   88.904422][ T4843]  ? __mutex_trylock_common+0x14f/0x250
[   88.909972][ T4843]  hfs_brec_insert+0x129/0xbc0
[   88.914756][ T4843]  ? __generic_file_write_iter+0x25f/0x4e0
[   88.920579][ T4843]  ? generic_file_write_iter+0xa6/0x1b0
[   88.926149][ T4843]  ? hfs_find_init+0x15b/0x1d0
[   88.931128][ T4843]  ? hfs_find_init+0x15b/0x1d0
[   88.936112][ T4843]  ? __mutex_lock_common+0x431/0x2390
[   88.941594][ T4843]  ? hfs_bmap_reserve+0x3df/0x420
[   88.946797][ T4843]  ? hfs_brec_keylen+0x350/0x350
[   88.952020][ T4843]  ? mutex_lock_io_nested+0x60/0x60
[   88.957416][ T4843]  __hfs_ext_write_extent+0x2a1/0x470
[   88.962961][ T4843]  __hfs_ext_cache_extent+0x6b/0x9b0
[   88.968352][ T4843]  ? mutex_lock_nested+0x17/0x20
[   88.973274][ T4843]  ? hfs_find_init+0x15b/0x1d0
[   88.978218][ T4843]  hfs_extend_file+0x313/0x1280
[   88.983244][ T4843]  ? hfs_get_block+0xbd0/0xbd0
[   88.988261][ T4843]  ? __might_sleep+0xf0/0xf0
[   88.993055][ T4843]  ? clean_bdev_aliases+0x72d/0x840
[   88.998435][ T4843]  hfs_get_block+0x3d4/0xbd0
[   89.003488][ T4843]  ? hfs_free_extents+0x430/0x430
[   89.008863][ T4843]  ? do_raw_spin_unlock+0x11d/0x230
[   89.014926][ T4843]  ? create_page_buffers+0x238/0x320
[   89.020532][ T4843]  __block_write_begin_int+0x54e/0x15a0
[   89.026277][ T4843]  ? hfs_free_extents+0x430/0x430
[   89.031295][ T4843]  ? page_zero_new_buffers+0x490/0x490
[   89.036734][ T4843]  ? lockdep_hardirqs_on_prepare+0x3fc/0x760
[   89.042716][ T4843]  ? lock_chain_count+0x20/0x20
[   89.047806][ T4843]  ? do_user_addr_fault+0x694/0xc80
[   89.053050][ T4843]  ? wait_for_stable_page+0xd9/0x110
[   89.058364][ T4843]  cont_write_begin+0x58a/0x7b0
[   89.063295][ T4843]  ? lockdep_hardirqs_on+0x94/0x140
[   89.068502][ T4843]  ? generic_cont_expand_simple+0x190/0x190
[   89.074404][ T4843]  ? __get_user_nocheck_1+0x6/0x10
[   89.079627][ T4843]  hfs_write_begin+0x92/0xe0
[   89.084226][ T4843]  ? hfs_free_extents+0x430/0x430
[   89.089442][ T4843]  generic_perform_write+0x2aa/0x530
[   89.095072][ T4843]  ? __mark_inode_dirty+0x78b/0xc60
[   89.100543][ T4843]  ? grab_cache_page_write_begin+0xa0/0xa0
[   89.106779][ T4843]  ? file_remove_privs+0x590/0x590
[   89.111879][ T4843]  ? read_lock_is_recursive+0x10/0x10
[   89.117561][ T4843]  ? preempt_count_add+0x8d/0x190
[   89.122687][ T4843]  ? rwsem_write_trylock+0x12f/0x1b0
[   89.128133][ T4843]  ? clear_nonspinnable+0x60/0x60
[   89.133394][ T4843]  __generic_file_write_iter+0x25f/0x4e0
[   89.139152][ T4843]  generic_file_write_iter+0xa6/0x1b0
[   89.144522][ T4843]  vfs_write+0x712/0xd00
[   89.148801][ T4843]  ? file_end_write+0x250/0x250
[   89.153773][ T4843]  ? __fget_files+0x40f/0x480
[   89.158532][ T4843]  ? mutex_lock_nested+0x17/0x20
[   89.163469][ T4843]  ? __fdget_pos+0x2bf/0x370
[   89.168057][ T4843]  ? ksys_write+0x71/0x250
[   89.172470][ T4843]  ksys_write+0x14d/0x250
[   89.176797][ T4843]  ? __ia32_sys_read+0x80/0x80
[   89.181683][ T4843]  ? lockdep_hardirqs_on+0x94/0x140
[   89.186895][ T4843]  do_syscall_64+0x4c/0xa0
[   89.191384][ T4843]  ? clear_bhb_loop+0x30/0x80
[   89.196574][ T4843]  ? clear_bhb_loop+0x30/0x80
[   89.201714][ T4843]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   89.207851][ T4843] RIP: 0033:0x7fcffd87f959
[   89.212477][ T4843] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
[   89.232852][ T4843] RSP: 002b:00007fcffcc010c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   89.241350][ T4843] RAX: ffffffffffffffda RBX: 00007fcffd99ef80 RCX: 00007fcffd87f959
[   89.249319][ T4843] RDX: 00000000000ffe00 RSI: 0000000020004200 RDI: 0000000000000004
[   89.257382][ T4843] RBP: 00007fcffcc01120 R08: 0000000000000000 R09: 0000000000000000
[   89.265446][ T4843] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[   89.273581][ T4843] R13: 000000000000000b R14: 00007fcffd99ef80 R15: 00007ffc39629758
[   89.281798][ T4843]  </TASK>
[   89.286270][ T4843] hfs: new node 0 already hashed?
[   89.291689][ T4843] ------------[ cut here ]------------
[   89.297158][ T4843] WARNING: CPU: 1 PID: 4843 at fs/hfs/bnode.c:438 hfs_bnode_create+0x3d1/0x450
[   89.306587][ T4843] Modules linked in:
[   89.310658][ T4843] CPU: 1 PID: 4843 Comm: syz-executor.0 Not tainted 5.15.189-syzkaller #0
[   89.319522][ T4843] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[   89.330804][ T4843] RIP: 0010:hfs_bnode_create+0x3d1/0x450
[   89.337249][ T4843] Code: 5e 1f 8a 89 ee e8 1f f1 71 07 e9 57 fd ff ff e8 35 06 4c ff 4c 89 ef e8 4d dc 85 07 48 c7 c7 e0 5e 1f 8a 89 ee e8 ff f0 71 07 <0f> 0b eb b7 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 63 fc ff ff 4c
[   89.358820][ T4843] RSP: 0018:ffffc9000311efd0 EFLAGS: 00010246
[   89.365020][ T4843] RAX: 000000000000001f RBX: ffff8880799ae000 RCX: d27960306a37a600
[   89.373490][ T4843] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
[   89.381800][ T4843] RBP: 0000000000000000 R08: dffffc0000000000 R09: fffff52000623d5d
[   89.390978][ T4843] R10: fffff52000623d5d R11: 1ffff92000623d5c R12: 0000000000000000
[   89.399278][ T4843] R13: ffff8880799ae0e0 R14: ffff888024975600 R15: dffffc0000000000
[   89.407698][ T4843] FS:  00007fcffcc016c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
[   89.416917][ T4843] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   89.423806][ T4843] CR2: 0000561ac283c168 CR3: 0000000075dcb000 CR4: 00000000003506f0
[   89.431988][ T4843] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   89.440079][ T4843] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   89.448366][ T4843] Call Trace:
[   89.451817][ T4843]  <TASK>
[   89.454980][ T4843]  ? do_raw_spin_unlock+0x11d/0x230
[   89.460261][ T4843]  hfs_bmap_alloc+0x5b2/0x660
[   89.464957][ T4843]  ? hfs_bmap_reserve+0x420/0x420
[   89.470144][ T4843]  ? read_lock_is_recursive+0x10/0x10
[   89.475537][ T4843]  hfs_btree_inc_height+0xf3/0xac0
[   89.480703][ T4843]  ? hfs_brec_insert+0x6f0/0xbc0
[   89.485657][ T4843]  ? workingset_activation+0x606/0x760
[   89.491518][ T4843]  ? hfs_brec_insert+0xbc0/0xbc0
[   89.496490][ T4843]  ? do_raw_spin_unlock+0x11d/0x230
[   89.502042][ T4843]  hfs_brec_insert+0x73e/0xbc0
[   89.507179][ T4843]  ? hfs_brec_keylen+0x350/0x350
[   89.513306][ T4843]  ? mutex_lock_io_nested+0x60/0x60
[   89.518778][ T4843]  __hfs_ext_write_extent+0x2a1/0x470
[   89.524360][ T4843]  __hfs_ext_cache_extent+0x6b/0x9b0
[   89.530241][ T4843]  ? mutex_lock_nested+0x17/0x20
[   89.535235][ T4843]  ? hfs_find_init+0x15b/0x1d0
[   89.540178][ T4843]  hfs_extend_file+0x313/0x1280
[   89.545221][ T4843]  ? hfs_get_block+0xbd0/0xbd0
[   89.550681][ T4843]  ? __might_sleep+0xf0/0xf0
[   89.555671][ T4843]  ? clean_bdev_aliases+0x72d/0x840
[   89.561640][ T4843]  hfs_get_block+0x3d4/0xbd0
[   89.566487][ T4843]  ? hfs_free_extents+0x430/0x430
[   89.573120][ T4843]  ? do_raw_spin_unlock+0x11d/0x230
[   89.578844][ T4843]  ? create_page_buffers+0x238/0x320
[   89.584779][ T4843]  __block_write_begin_int+0x54e/0x15a0
[   89.590964][ T4843]  ? hfs_free_extents+0x430/0x430
[   89.596774][ T4843]  ? page_zero_new_buffers+0x490/0x490
[   89.603079][ T4843]  ? lockdep_hardirqs_on_prepare+0x3fc/0x760
[   89.609306][ T4843]  ? lock_chain_count+0x20/0x20
[   89.614257][ T4843]  ? do_user_addr_fault+0x694/0xc80
[   89.619525][ T4843]  ? wait_for_stable_page+0xd9/0x110
[   89.625330][ T4843]  cont_write_begin+0x58a/0x7b0
[   89.631080][ T4843]  ? lockdep_hardirqs_on+0x94/0x140
[   89.636319][ T4843]  ? generic_cont_expand_simple+0x190/0x190
[   89.642840][ T4843]  ? __get_user_nocheck_1+0x6/0x10
[   89.648404][ T4843]  hfs_write_begin+0x92/0xe0
[   89.653343][ T4843]  ? hfs_free_extents+0x430/0x430
[   89.658997][ T4843]  generic_perform_write+0x2aa/0x530
[   89.664467][ T4843]  ? __mark_inode_dirty+0x78b/0xc60
[   89.669693][ T4843]  ? grab_cache_page_write_begin+0xa0/0xa0
[   89.675983][ T4843]  ? file_remove_privs+0x590/0x590
[   89.681345][ T4843]  ? read_lock_is_recursive+0x10/0x10
[   89.686997][ T4843]  ? preempt_count_add+0x8d/0x190
[   89.692107][ T4843]  ? rwsem_write_trylock+0x12f/0x1b0
[   89.697512][ T4843]  ? clear_nonspinnable+0x60/0x60
[   89.702803][ T4843]  __generic_file_write_iter+0x25f/0x4e0
[   89.708951][ T4843]  generic_file_write_iter+0xa6/0x1b0
[   89.714678][ T4843]  vfs_write+0x712/0xd00
[   89.719216][ T4843]  ? file_end_write+0x250/0x250
[   89.724512][ T4843]  ? __fget_files+0x40f/0x480
[   89.729713][ T4843]  ? mutex_lock_nested+0x17/0x20
[   89.735120][ T4843]  ? __fdget_pos+0x2bf/0x370
[   89.739834][ T4843]  ? ksys_write+0x71/0x250
[   89.744576][ T4843]  ksys_write+0x14d/0x250
[   89.749193][ T4843]  ? __ia32_sys_read+0x80/0x80
[   89.754481][ T4843]  ? lockdep_hardirqs_on+0x94/0x140
[   89.759823][ T4843]  do_syscall_64+0x4c/0xa0
[   89.764855][ T4843]  ? clear_bhb_loop+0x30/0x80
[   89.769716][ T4843]  ? clear_bhb_loop+0x30/0x80
[   89.774757][ T4843]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   89.781098][ T4843] RIP: 0033:0x7fcffd87f959
[   89.785536][ T4843] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
[   89.806544][ T4843] RSP: 002b:00007fcffcc010c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   89.815117][ T4843] RAX: ffffffffffffffda RBX: 00007fcffd99ef80 RCX: 00007fcffd87f959
[   89.823430][ T4843] RDX: 00000000000ffe00 RSI: 0000000020004200 RDI: 0000000000000004
[   89.831764][ T4843] RBP: 00007fcffcc01120 R08: 0000000000000000 R09: 0000000000000000
[   89.840471][ T4843] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[   89.849751][ T4843] R13: 000000000000000b R14: 00007fcffd99ef80 R15: 00007ffc39629758
[   89.858447][ T4843]  </TASK>
[   89.861723][ T4843] Kernel panic - not syncing: kernel: panic_on_warn set ...
[   89.869272][ T4843] CPU: 1 PID: 4843 Comm: syz-executor.0 Not tainted 5.15.189-syzkaller #0
[   89.877975][ T4843] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[   89.888273][ T4843] Call Trace:
[   89.891577][ T4843]  <TASK>
[   89.894510][ T4843]  dump_stack_lvl+0x168/0x230
[   89.899298][ T4843]  ? show_regs_print_info+0x20/0x20
[   89.904680][ T4843]  ? load_image+0x3b0/0x3b0
[   89.909494][ T4843]  panic+0x2c9/0x7f0
[   89.913638][ T4843]  ? bpf_jit_dump+0xd0/0xd0
[   89.918379][ T4843]  ? hfs_bnode_create+0x3d1/0x450
[   89.923520][ T4843]  __warn+0x248/0x2b0
[   89.927583][ T4843]  ? hfs_bnode_create+0x3d1/0x450
[   89.932927][ T4843]  report_bug+0x1b7/0x2e0
[   89.937516][ T4843]  handle_bug+0x3a/0x70
[   89.942947][ T4843]  exc_invalid_op+0x16/0x40
[   89.947451][ T4843]  asm_exc_invalid_op+0x16/0x20
[   89.952574][ T4843] RIP: 0010:hfs_bnode_create+0x3d1/0x450
[   89.958406][ T4843] Code: 5e 1f 8a 89 ee e8 1f f1 71 07 e9 57 fd ff ff e8 35 06 4c ff 4c 89 ef e8 4d dc 85 07 48 c7 c7 e0 5e 1f 8a 89 ee e8 ff f0 71 07 <0f> 0b eb b7 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 63 fc ff ff 4c
[   89.979686][ T4843] RSP: 0018:ffffc9000311efd0 EFLAGS: 00010246
[   89.985835][ T4843] RAX: 000000000000001f RBX: ffff8880799ae000 RCX: d27960306a37a600
[   89.994177][ T4843] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
[   90.002281][ T4843] RBP: 0000000000000000 R08: dffffc0000000000 R09: fffff52000623d5d
[   90.011282][ T4843] R10: fffff52000623d5d R11: 1ffff92000623d5c R12: 0000000000000000
[   90.019912][ T4843] R13: ffff8880799ae0e0 R14: ffff888024975600 R15: dffffc0000000000
[   90.028164][ T4843]  ? do_raw_spin_unlock+0x11d/0x230
[   90.033670][ T4843]  hfs_bmap_alloc+0x5b2/0x660
[   90.038452][ T4843]  ? hfs_bmap_reserve+0x420/0x420
[   90.043903][ T4843]  ? read_lock_is_recursive+0x10/0x10
[   90.049959][ T4843]  hfs_btree_inc_height+0xf3/0xac0
[   90.055287][ T4843]  ? hfs_brec_insert+0x6f0/0xbc0
[   90.060352][ T4843]  ? workingset_activation+0x606/0x760
[   90.066074][ T4843]  ? hfs_brec_insert+0xbc0/0xbc0
[   90.071400][ T4843]  ? do_raw_spin_unlock+0x11d/0x230
[   90.076719][ T4843]  hfs_brec_insert+0x73e/0xbc0
[   90.082321][ T4843]  ? hfs_brec_keylen+0x350/0x350
[   90.087364][ T4843]  ? mutex_lock_io_nested+0x60/0x60
[   90.093401][ T4843]  __hfs_ext_write_extent+0x2a1/0x470
[   90.100394][ T4843]  __hfs_ext_cache_extent+0x6b/0x9b0
[   90.105976][ T4843]  ? mutex_lock_nested+0x17/0x20
[   90.111201][ T4843]  ? hfs_find_init+0x15b/0x1d0
[   90.116227][ T4843]  hfs_extend_file+0x313/0x1280
[   90.121295][ T4843]  ? hfs_get_block+0xbd0/0xbd0
[   90.126209][ T4843]  ? __might_sleep+0xf0/0xf0
[   90.130841][ T4843]  ? clean_bdev_aliases+0x72d/0x840
[   90.136075][ T4843]  hfs_get_block+0x3d4/0xbd0
[   90.140711][ T4843]  ? hfs_free_extents+0x430/0x430
[   90.145950][ T4843]  ? do_raw_spin_unlock+0x11d/0x230
[   90.151587][ T4843]  ? create_page_buffers+0x238/0x320
[   90.157256][ T4843]  __block_write_begin_int+0x54e/0x15a0
[   90.163273][ T4843]  ? hfs_free_extents+0x430/0x430
[   90.168384][ T4843]  ? page_zero_new_buffers+0x490/0x490
[   90.174034][ T4843]  ? lockdep_hardirqs_on_prepare+0x3fc/0x760
[   90.180084][ T4843]  ? lock_chain_count+0x20/0x20
[   90.184947][ T4843]  ? do_user_addr_fault+0x694/0xc80
[   90.190427][ T4843]  ? wait_for_stable_page+0xd9/0x110
[   90.195996][ T4843]  cont_write_begin+0x58a/0x7b0
[   90.200900][ T4843]  ? lockdep_hardirqs_on+0x94/0x140
[   90.206211][ T4843]  ? generic_cont_expand_simple+0x190/0x190
[   90.212192][ T4843]  ? __get_user_nocheck_1+0x6/0x10
[   90.217707][ T4843]  hfs_write_begin+0x92/0xe0
[   90.222318][ T4843]  ? hfs_free_extents+0x430/0x430
[   90.227684][ T4843]  generic_perform_write+0x2aa/0x530
[   90.233608][ T4843]  ? __mark_inode_dirty+0x78b/0xc60
[   90.238983][ T4843]  ? grab_cache_page_write_begin+0xa0/0xa0
[   90.245377][ T4843]  ? file_remove_privs+0x590/0x590
[   90.251283][ T4843]  ? read_lock_is_recursive+0x10/0x10
[   90.256807][ T4843]  ? preempt_count_add+0x8d/0x190
[   90.261981][ T4843]  ? rwsem_write_trylock+0x12f/0x1b0
[   90.267286][ T4843]  ? clear_nonspinnable+0x60/0x60
[   90.272315][ T4843]  __generic_file_write_iter+0x25f/0x4e0
[   90.278670][ T4843]  generic_file_write_iter+0xa6/0x1b0
[   90.284331][ T4843]  vfs_write+0x712/0xd00
[   90.288688][ T4843]  ? file_end_write+0x250/0x250
[   90.293993][ T4843]  ? __fget_files+0x40f/0x480
[   90.299263][ T4843]  ? mutex_lock_nested+0x17/0x20
[   90.304303][ T4843]  ? __fdget_pos+0x2bf/0x370
[   90.308958][ T4843]  ? ksys_write+0x71/0x250
[   90.313633][ T4843]  ksys_write+0x14d/0x250
[   90.318407][ T4843]  ? __ia32_sys_read+0x80/0x80
[   90.323597][ T4843]  ? lockdep_hardirqs_on+0x94/0x140
[   90.330122][ T4843]  do_syscall_64+0x4c/0xa0
[   90.334739][ T4843]  ? clear_bhb_loop+0x30/0x80
[   90.339917][ T4843]  ? clear_bhb_loop+0x30/0x80
[   90.344777][ T4843]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   90.350799][ T4843] RIP: 0033:0x7fcffd87f959
[   90.355230][ T4843] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
[   90.374916][ T4843] RSP: 002b:00007fcffcc010c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   90.383411][ T4843] RAX: ffffffffffffffda RBX: 00007fcffd99ef80 RCX: 00007fcffd87f959
[   90.391375][ T4843] RDX: 00000000000ffe00 RSI: 0000000020004200 RDI: 0000000000000004
[   90.399432][ T4843] RBP: 00007fcffcc01120 R08: 0000000000000000 R09: 0000000000000000
[   90.407690][ T4843] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[   90.416041][ T4843] R13: 000000000000000b R14: 00007fcffd99ef80 R15: 00007ffc39629758
[   90.425344][ T4843]  </TASK>
[   90.433839][ T4843] Kernel Offset: disabled
[   90.438772][ T4843] Rebooting in 86400 seconds..