Warning: Permanently added '10.128.0.126' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 28.527463] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop0 [ 28.541783] BTRFS info (device loop0): enabling inode map caching [ 28.555489] BTRFS warning (device loop0): excessive commit interval 622039222 [ 28.562812] BTRFS info (device loop0): force zlib compression [ 28.568688] BTRFS info (device loop0): using free space tree [ 28.575379] BTRFS info (device loop0): has skinny extents [ 28.603109] FAULT_INJECTION: forcing a failure. [ 28.603109] name failslab, interval 1, probability 0, space 0, times 1 [ 28.614582] CPU: 1 PID: 7967 Comm: syz-executor109 Not tainted 4.14.300-syzkaller #0 [ 28.622462] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 28.632507] Call Trace: [ 28.635099] dump_stack+0x1b2/0x281 [ 28.638719] should_fail.cold+0x10a/0x149 [ 28.642845] should_failslab+0xd6/0x130 [ 28.646798] kmem_cache_alloc_trace+0x29a/0x3d0 [ 28.651447] join_transaction+0xbd/0xcc0 [ 28.655575] start_transaction+0x2f0/0xf30 [ 28.659791] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 28.665394] insert_balance_item.isra.0+0x9e/0x13f0 [ 28.670417] ? trace_hardirqs_on+0x10/0x10 [ 28.674631] ? __cancel_balance+0x2d0/0x2d0 [ 28.678931] ? _raw_spin_unlock_irqrestore+0x79/0xe0 [ 28.684026] ? trace_hardirqs_on_caller+0x3a8/0x580 [ 28.689021] ? btrfs_dev_replace_unlock+0x2e/0x50 [ 28.693842] ? btrfs_ioctl_balance+0x5e6/0x730 [ 28.698402] ? mark_held_locks+0xa6/0xf0 [ 28.702443] ? btrfs_balance+0x148f/0x39b0 [ 28.706652] ? btrfs_get_num_tolerated_disk_barrier_failures+0xd7/0x150 [ 28.713377] btrfs_balance+0xa50/0x39b0 [ 28.717331] ? btrfs_ioctl_balance+0x24e/0x730 [ 28.721988] ? btrfs_ioctl_balance+0x24e/0x730 [ 28.726547] ? __mutex_lock+0x360/0x1310 [ 28.730630] ? __read_once_size_nocheck.constprop.0+0x10/0x10 [ 28.736487] ? trace_hardirqs_on+0x10/0x10 [ 28.740699] ? ima_rdwr_violation_check+0x3a0/0x3a0 [ 28.745690] ? btrfs_ioctl_balance+0x24e/0x730 [ 28.750248] ? fs_reclaim_release+0xd0/0x110 [ 28.754632] ? btrfs_shrink_device+0xdc0/0xdc0 [ 28.759191] ? btrfs_ioctl_balance+0x425/0x730 [ 28.763749] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 28.769173] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 28.774168] ? kmem_cache_alloc_trace+0x36c/0x3d0 [ 28.778986] btrfs_ioctl_balance+0x5e6/0x730 [ 28.783376] btrfs_ioctl+0xddf/0x5b20 [ 28.787152] ? _kstrtoull+0x1f2/0x450 [ 28.790929] ? btrfs_ioctl_get_supported_features+0x40/0x40 [ 28.796786] ? get_pid_task+0x91/0x130 [ 28.800647] ? lock_downgrade+0x740/0x740 [ 28.804780] ? get_pid_task+0xb8/0x130 [ 28.808646] ? proc_fail_nth_write+0x7b/0x180 [ 28.813117] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 28.818038] ? fsnotify+0x974/0x11b0 [ 28.821738] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 28.826642] ? debug_check_no_obj_freed+0x2c0/0x680 [ 28.831637] ? btrfs_ioctl_get_supported_features+0x40/0x40 [ 28.837323] do_vfs_ioctl+0x75a/0xff0 [ 28.841103] ? ioctl_preallocate+0x1a0/0x1a0 [ 28.845491] ? vfs_write+0x319/0x4d0 [ 28.849193] ? SyS_write+0x14d/0x210 [ 28.852883] ? security_file_ioctl+0x83/0xb0 [ 28.857266] SyS_ioctl+0x7f/0xb0 [ 28.860610] ? do_vfs_ioctl+0xff0/0xff0 [ 28.864561] do_syscall_64+0x1d5/0x640 [ 28.868428] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 executing program [ 29.076590] BTRFS info (device loop0): enabling inode map caching [ 29.083413] BTRFS warning (device loop0): excessive commit interval 622039222 [ 29.090706] BTRFS info (device loop0): force zlib compression [ 29.096723] BTRFS info (device loop0): using free space tree [ 29.102632] BTRFS info (device loop0): has skinny extents [ 29.129500] FAULT_INJECTION: forcing a failure. [ 29.129500] name failslab, interval 1, probability 0, space 0, times 0 [ 29.141234] CPU: 0 PID: 8004 Comm: syz-executor109 Not tainted 4.14.300-syzkaller #0 [ 29.149108] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 29.158444] Call Trace: [ 29.161014] dump_stack+0x1b2/0x281 [ 29.164622] should_fail.cold+0x10a/0x149 [ 29.168837] should_failslab+0xd6/0x130 [ 29.172792] kmem_cache_alloc_trace+0x29a/0x3d0 [ 29.177442] cache_block_group+0x102/0xba0 [ 29.181657] ? __find_space_info+0x125/0x280 [ 29.186042] ? find_free_extent+0x4a8/0x3320 [ 29.190428] ? inc_block_group_ro+0x530/0x530 [ 29.194899] ? lock_acquire+0x170/0x3f0 [ 29.198850] ? wait_woken+0x230/0x230 [ 29.202630] find_free_extent+0x176f/0x3320 [ 29.206933] ? check_system_chunk+0x3f0/0x3f0 [ 29.211406] ? get_alloc_profile+0x3b5/0x5a0 [ 29.215791] btrfs_reserve_extent+0x14b/0x3b0 [ 29.220271] btrfs_alloc_tree_block+0x371/0x1410 [ 29.225196] ? btrfs_reserve_extent+0x3b0/0x3b0 [ 29.229879] ? memcpy+0x35/0x50 [ 29.233147] ? read_extent_buffer+0x102/0x150 [ 29.237629] __btrfs_cow_block+0x367/0xfd0 [ 29.241852] ? btrfs_set_lock_blocking_rw+0x266/0x2f0 [ 29.247028] ? update_ref_for_cow+0x980/0x980 [ 29.251691] ? btrfs_tree_read_unlock_blocking+0x210/0x210 [ 29.257299] btrfs_cow_block+0x207/0x6d0 [ 29.261344] ? btrfs_set_path_blocking+0x39/0x110 [ 29.266162] btrfs_search_slot+0x546/0x1c20 [ 29.270466] ? __lockdep_init_map+0x100/0x560 [ 29.275027] ? split_leaf+0x14a0/0x14a0 [ 29.278985] ? join_transaction+0x181/0xcc0 [ 29.283299] ? btrfs_record_root_in_trans+0x106/0x150 [ 29.288472] btrfs_insert_empty_items+0xaf/0x160 [ 29.293334] insert_balance_item.isra.0+0xef/0x13f0 [ 29.298516] ? trace_hardirqs_on+0x10/0x10 [ 29.302755] ? __cancel_balance+0x2d0/0x2d0 [ 29.307059] ? __save_stack_trace+0x90/0x160 [ 29.311447] ? ima_rdwr_violation_check+0x1e4/0x3a0 [ 29.316443] ? btrfs_dev_replace_unlock+0x2e/0x50 [ 29.321268] ? btrfs_ioctl_balance+0x5e6/0x730 [ 29.325832] ? mark_held_locks+0xa6/0xf0 [ 29.329868] ? btrfs_balance+0x148f/0x39b0 [ 29.334078] ? btrfs_get_num_tolerated_disk_barrier_failures+0xd7/0x150 [ 29.340807] btrfs_balance+0xa50/0x39b0 [ 29.344764] ? btrfs_ioctl_balance+0x24e/0x730 [ 29.349322] ? btrfs_ioctl_balance+0x24e/0x730 [ 29.353879] ? __mutex_lock+0x360/0x1310 [ 29.357921] ? __read_once_size_nocheck.constprop.0+0x10/0x10 [ 29.363789] ? trace_hardirqs_on+0x10/0x10 [ 29.368002] ? ima_rdwr_violation_check+0x3a0/0x3a0 [ 29.372994] ? btrfs_ioctl_balance+0x24e/0x730 [ 29.377552] ? fs_reclaim_release+0xd0/0x110 [ 29.381953] ? btrfs_shrink_device+0xdc0/0xdc0 [ 29.386589] ? btrfs_ioctl_balance+0x425/0x730 [ 29.391233] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 29.396662] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 29.401656] ? kmem_cache_alloc_trace+0x36c/0x3d0 [ 29.406485] btrfs_ioctl_balance+0x5e6/0x730 [ 29.410884] btrfs_ioctl+0xddf/0x5b20 [ 29.414677] ? _kstrtoull+0x1f2/0x450 [ 29.418455] ? btrfs_ioctl_get_supported_features+0x40/0x40 [ 29.424147] ? get_pid_task+0x91/0x130 [ 29.428016] ? lock_downgrade+0x740/0x740 [ 29.432143] ? get_pid_task+0xb8/0x130 [ 29.436012] ? proc_fail_nth_write+0x7b/0x180 [ 29.440508] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 29.445419] ? fsnotify+0x974/0x11b0 [ 29.449206] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 29.454208] ? debug_check_no_obj_freed+0x2c0/0x680 [ 29.459214] ? btrfs_ioctl_get_supported_features+0x40/0x40 [ 29.464902] do_vfs_ioctl+0x75a/0xff0 [ 29.468678] ? ioctl_preallocate+0x1a0/0x1a0 [ 29.473066] ? vfs_write+0x319/0x4d0 [ 29.476759] ? SyS_write+0x14d/0x210 [ 29.480458] ? security_file_ioctl+0x83/0xb0 [ 29.484844] SyS_ioctl+0x7f/0xb0 [ 29.488212] ? do_vfs_ioctl+0xff0/0xff0 [ 29.492166] do_syscall_64+0x1d5/0x640 [ 29.496042] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 29.502689] ------------[ cut here ]------------ [ 29.507445] kernel BUG at fs/btrfs/extent-tree.c:7723! [ 29.513134] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 29.518486] Modules linked in: [ 29.521692] CPU: 1 PID: 8004 Comm: syz-executor109 Not tainted 4.14.300-syzkaller #0 [ 29.529561] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 29.538984] task: ffff888096bf20c0 task.stack: ffff888096730000 [ 29.545234] RIP: 0010:find_free_extent+0x203b/0x3320 [ 29.550315] RSP: 0018:ffff888096737148 EFLAGS: 00010297 [ 29.555777] RAX: ffff888096bf20c0 RBX: ffff88809629afb0 RCX: 0000000000000000 [ 29.563026] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000286 [ 29.570467] RBP: ffff888096dd6ac0 R08: 0000000000000000 R09: 0000000000000000 [ 29.577723] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000005 [ 29.585145] R13: 0000000000000000 R14: ffff888096891cc0 R15: ffff888096dd6940 [ 29.592393] FS: 0000555556de5300(0000) GS:ffff8880ba500000(0000) knlGS:0000000000000000 [ 29.600593] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 29.606452] CR2: 00007f42ccc65740 CR3: 00000000a17dc000 CR4: 00000000003406e0 [ 29.613702] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 29.620947] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 29.628190] Call Trace: [ 29.630758] ? check_system_chunk+0x3f0/0x3f0 [ 29.635227] ? get_alloc_profile+0x3b5/0x5a0 [ 29.639721] btrfs_reserve_extent+0x14b/0x3b0 [ 29.644190] btrfs_alloc_tree_block+0x371/0x1410 [ 29.648921] ? btrfs_reserve_extent+0x3b0/0x3b0 [ 29.653564] ? memcpy+0x35/0x50 [ 29.656818] ? read_extent_buffer+0x102/0x150 [ 29.661288] __btrfs_cow_block+0x367/0xfd0 [ 29.665498] ? btrfs_set_lock_blocking_rw+0x266/0x2f0 [ 29.670659] ? update_ref_for_cow+0x980/0x980 [ 29.675139] ? btrfs_tree_read_unlock_blocking+0x210/0x210 [ 29.680736] btrfs_cow_block+0x207/0x6d0 [ 29.684773] ? btrfs_set_path_blocking+0x39/0x110 [ 29.689764] btrfs_search_slot+0x546/0x1c20 [ 29.694063] ? __lockdep_init_map+0x100/0x560 [ 29.698536] ? split_leaf+0x14a0/0x14a0 [ 29.702484] ? join_transaction+0x181/0xcc0 [ 29.706781] ? btrfs_record_root_in_trans+0x106/0x150 [ 29.711948] btrfs_insert_empty_items+0xaf/0x160 [ 29.716699] insert_balance_item.isra.0+0xef/0x13f0 [ 29.721688] ? trace_hardirqs_on+0x10/0x10 [ 29.725897] ? __cancel_balance+0x2d0/0x2d0 [ 29.730199] ? __save_stack_trace+0x90/0x160 [ 29.734626] ? ima_rdwr_violation_check+0x1e4/0x3a0 [ 29.739617] ? btrfs_dev_replace_unlock+0x2e/0x50 [ 29.744434] ? btrfs_ioctl_balance+0x5e6/0x730 [ 29.748990] ? mark_held_locks+0xa6/0xf0 [ 29.753041] ? btrfs_balance+0x148f/0x39b0 [ 29.757344] ? btrfs_get_num_tolerated_disk_barrier_failures+0xd7/0x150 [ 29.764684] btrfs_balance+0xa50/0x39b0 [ 29.768636] ? btrfs_ioctl_balance+0x24e/0x730 [ 29.773192] ? btrfs_ioctl_balance+0x24e/0x730 [ 29.777747] ? __mutex_lock+0x360/0x1310 [ 29.781784] ? __read_once_size_nocheck.constprop.0+0x10/0x10 [ 29.787643] ? trace_hardirqs_on+0x10/0x10 [ 29.791854] ? ima_rdwr_violation_check+0x3a0/0x3a0 [ 29.796934] ? btrfs_ioctl_balance+0x24e/0x730 [ 29.801492] ? fs_reclaim_release+0xd0/0x110 [ 29.805877] ? btrfs_shrink_device+0xdc0/0xdc0 [ 29.810484] ? btrfs_ioctl_balance+0x425/0x730 [ 29.815039] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 29.820464] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 29.825455] ? kmem_cache_alloc_trace+0x36c/0x3d0 [ 29.830301] btrfs_ioctl_balance+0x5e6/0x730 [ 29.834686] btrfs_ioctl+0xddf/0x5b20 [ 29.838462] ? _kstrtoull+0x1f2/0x450 [ 29.842238] ? btrfs_ioctl_get_supported_features+0x40/0x40 [ 29.847928] ? get_pid_task+0x91/0x130 [ 29.851879] ? lock_downgrade+0x740/0x740 [ 29.856000] ? get_pid_task+0xb8/0x130 [ 29.859862] ? proc_fail_nth_write+0x7b/0x180 [ 29.864335] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 29.869241] ? fsnotify+0x974/0x11b0 [ 29.872950] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 29.877872] ? debug_check_no_obj_freed+0x2c0/0x680 [ 29.882862] ? btrfs_ioctl_get_supported_features+0x40/0x40 [ 29.888548] do_vfs_ioctl+0x75a/0xff0 [ 29.892328] ? ioctl_preallocate+0x1a0/0x1a0 [ 29.896711] ? vfs_write+0x319/0x4d0 [ 29.900401] ? SyS_write+0x14d/0x210 [ 29.904092] ? security_file_ioctl+0x83/0xb0 [ 29.908498] SyS_ioctl+0x7f/0xb0 [ 29.911838] ? do_vfs_ioctl+0xff0/0xff0 [ 29.915786] do_syscall_64+0x1d5/0x640 [ 29.919677] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 29.924840] Code: 02 00 0f 85 ed 0f 00 00 49 8b 7f 30 4c 89 ca 4c 89 e1 4c 89 4c 24 20 e8 74 57 11 00 4c 8b 4c 24 20 e9 e9 ea ff ff e8 35 27 ba fe <0f> 0b e8 2e 27 ba fe 49 8d bf b0 00 00 00 e8 b2 bd a5 fe e9 b3 [ 29.943901] RIP: find_free_extent+0x203b/0x3320 RSP: ffff888096737148 [ 29.951925] ---[ end trace 567c9a84a22d39e0 ]--- [ 29.956677] Kernel panic - not syncing: Fatal exception [ 29.962184] Kernel Offset: disabled [ 29.965792] Rebooting in 86400 seconds..