Warning: Permanently added '10.128.1.118' (ED25519) to the list of known hosts. executing program [ 67.110407][ T4162] loop0: detected capacity change from 0 to 32768 [ 67.207645][ T4162] BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 devid 1 transid 8 /dev/loop0 scanned by syz-executor419 (4162) [ 67.260869][ T4162] BTRFS info (device loop0): using crc32c (crc32c-intel) checksum algorithm [ 67.270098][ T4162] BTRFS info (device loop0): doing ref verification [ 67.276964][ T4162] BTRFS warning (device loop0): the 'inode_cache' option is deprecated and has no effect since 5.11 [ 67.288171][ T4162] BTRFS warning (device loop0): the 'inode_cache' option is deprecated and has no effect since 5.11 [ 67.299083][ T4162] BTRFS warning (device loop0): 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead [ 67.309986][ T4162] BTRFS info (device loop0): trying to use backup root at mount time [ 67.318204][ T4162] BTRFS info (device loop0): use zlib compression, level 3 [ 67.325752][ T4162] BTRFS info (device loop0): enabling ssd optimizations [ 67.332718][ T4162] BTRFS info (device loop0): using spread ssd allocation scheme [ 67.340494][ T4162] BTRFS info (device loop0): using free space tree [ 67.347386][ T4162] BTRFS info (device loop0): has skinny extents [ 67.372682][ T1276] BTRFS warning (device loop0): checksum verify failed on 5341184 wanted 0x829d3b74 found 0xe129ccda level 0 [ 67.385285][ T4162] BTRFS warning (device loop0): failed to read root (objectid=10): -5 [ 67.393884][ T1276] BTRFS warning (device loop0): checksum verify failed on 5324800 wanted 0xa187e1f9 found 0xa3d38d98 level 0 [ 67.406077][ T4162] BTRFS warning (device loop0): couldn't read tree root [ 67.413806][ T4162] BTRFS error (device loop0): parent transid verify failed on 5255168 wanted 5 found 7 [ 67.424019][ T4162] BTRFS warning (device loop0): couldn't read tree root [ 67.439511][ T4162] BTRFS info (device loop0): clearing free space tree [ 67.447007][ T4162] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1) [ 67.456901][ T4162] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2) [ 67.480179][ T4162] ================================================================== [ 67.488362][ T4162] BUG: KASAN: null-ptr-deref in btrfs_root_node+0x103/0x370 [ 67.495669][ T4162] Write of size 4 at addr 0000000000000060 by task syz-executor419/4162 [ 67.503986][ T4162] [ 67.506315][ T4162] CPU: 0 PID: 4162 Comm: syz-executor419 Not tainted 5.15.178-syzkaller #0 [ 67.514895][ T4162] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 67.524971][ T4162] Call Trace: [ 67.528256][ T4162] [ 67.531205][ T4162] dump_stack_lvl+0x1e3/0x2d0 [ 67.535923][ T4162] ? io_uring_drop_tctx_refs+0x1a0/0x1a0 [ 67.541577][ T4162] ? panic+0x860/0x860 [ 67.545646][ T4162] ? _raw_spin_lock_irqsave+0xdd/0x120 [ 67.551115][ T4162] ? read_lock_is_recursive+0x10/0x10 [ 67.556486][ T4162] ? kmem_cache_free+0x91/0x1f0 [ 67.561338][ T4162] ? btrfs_root_node+0x103/0x370 [ 67.566271][ T4162] kasan_report+0x161/0x1c0 [ 67.570770][ T4162] ? btrfs_root_node+0x103/0x370 [ 67.575820][ T4162] kasan_check_range+0x27e/0x290 [ 67.580774][ T4162] btrfs_root_node+0x103/0x370 [ 67.585550][ T4162] btrfs_read_lock_root_node+0x7b/0x3b0 [ 67.591107][ T4162] btrfs_search_slot+0x4b4/0x28f0 [ 67.596144][ T4162] ? btrfs_find_item+0x5a0/0x5a0 [ 67.601097][ T4162] ? btrfs_orphan_cleanup+0x13d/0xcf0 [ 67.606611][ T4162] ? rcu_is_watching+0x11/0xa0 [ 67.611560][ T4162] ? btrfs_orphan_cleanup+0x13d/0xcf0 [ 67.616943][ T4162] ? kmem_cache_alloc+0x128/0x280 [ 67.621971][ T4162] btrfs_orphan_cleanup+0x211/0xcf0 [ 67.627194][ T4162] ? btrfs_orphan_add+0x240/0x240 [ 67.632228][ T4162] ? do_raw_spin_unlock+0x137/0x8b0 [ 67.637430][ T4162] btrfs_cleanup_fs_roots+0x7a7/0xaf0 [ 67.642827][ T4162] ? btrfs_start_pre_rw_mount+0x680/0x680 [ 67.648567][ T4162] ? btrfs_get_fs_root+0x30/0x30 [ 67.653524][ T4162] btrfs_start_pre_rw_mount+0x1b5/0x680 [ 67.659063][ T4162] ? btrfs_free_zone_cache+0x15a/0x190 [ 67.664520][ T4162] open_ctree+0x2dcf/0x3500 [ 67.669038][ T4162] ? assertfail+0x20/0x20 [ 67.673486][ T4162] ? vscnprintf+0x80/0x80 [ 67.678009][ T4162] btrfs_fill_super+0x1c7/0x2d0 [ 67.682883][ T4162] btrfs_mount_root+0x803/0x930 [ 67.687743][ T4162] ? btrfs_control_open+0x40/0x40 [ 67.692783][ T4162] ? rcu_is_watching+0x11/0xa0 [ 67.697557][ T4162] ? vfs_parse_fs_string+0x18c/0x220 [ 67.702858][ T4162] ? vfs_parse_fs_param+0x410/0x410 [ 67.708104][ T4162] ? legacy_init_fs_context+0x7a/0xb0 [ 67.713488][ T4162] legacy_get_tree+0xeb/0x180 [ 67.718196][ T4162] ? btrfs_control_open+0x40/0x40 [ 67.723245][ T4162] vfs_get_tree+0x88/0x270 [ 67.727679][ T4162] vfs_kern_mount+0xb8/0x150 [ 67.732454][ T4162] btrfs_mount+0x395/0xb40 [ 67.736874][ T4162] ? btrfs_clear_sb_rdonly+0x70/0x70 [ 67.742157][ T4162] ? legacy_parse_param+0x3ea/0x8a0 [ 67.747354][ T4162] ? vfs_parse_fs_string+0x18c/0x220 [ 67.752643][ T4162] ? vfs_parse_fs_string+0x18c/0x220 [ 67.757949][ T4162] legacy_get_tree+0xeb/0x180 [ 67.762652][ T4162] ? btrfs_clear_sb_rdonly+0x70/0x70 [ 67.767952][ T4162] vfs_get_tree+0x88/0x270 [ 67.772375][ T4162] do_new_mount+0x2ba/0xb40 [ 67.776900][ T4162] ? do_move_mount_old+0x160/0x160 [ 67.782025][ T4162] ? user_path_at_empty+0x12b/0x180 [ 67.787271][ T4162] __se_sys_mount+0x2d5/0x3c0 [ 67.791963][ T4162] ? __x64_sys_mount+0xc0/0xc0 [ 67.796725][ T4162] ? syscall_enter_from_user_mode+0x2e/0x240 [ 67.802744][ T4162] ? lockdep_hardirqs_on+0x94/0x130 [ 67.807947][ T4162] ? __x64_sys_mount+0x1c/0xc0 [ 67.812714][ T4162] do_syscall_64+0x3b/0xb0 [ 67.817135][ T4162] ? clear_bhb_loop+0x15/0x70 [ 67.821819][ T4162] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 67.827713][ T4162] RIP: 0033:0x7f2d1483c9fa [ 67.832133][ T4162] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 67.851858][ T4162] RSP: 002b:00007ffcb785c1a8 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 [ 67.860291][ T4162] RAX: ffffffffffffffda RBX: 00007ffcb785c1c0 RCX: 00007f2d1483c9fa [ 67.868424][ T4162] RDX: 0000400000005100 RSI: 0000400000005140 RDI: 00007ffcb785c1c0 [ 67.876396][ T4162] RBP: 0000400000005140 R08: 00007ffcb785c200 R09: 0000000000005103 [ 67.884364][ T4162] R10: 0000000000000000 R11: 0000000000000282 R12: 0000400000005100 [ 67.892339][ T4162] R13: 00007ffcb785c200 R14: 0000000000000003 R15: 0000000000000000 [ 67.900736][ T4162] [ 67.903784][ T4162] ================================================================== [ 67.911845][ T4162] Disabling lock debugging due to kernel taint [ 67.918253][ T4162] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 67.925501][ T4162] CPU: 0 PID: 4162 Comm: syz-executor419 Tainted: G B 5.15.178-syzkaller #0 [ 67.935473][ T4162] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 67.945565][ T4162] Call Trace: [ 67.948842][ T4162] [ 67.951787][ T4162] dump_stack_lvl+0x1e3/0x2d0 [ 67.956465][ T4162] ? io_uring_drop_tctx_refs+0x1a0/0x1a0 [ 67.962094][ T4162] ? panic+0x860/0x860 [ 67.966155][ T4162] ? rcu_is_watching+0x11/0xa0 [ 67.970913][ T4162] ? preempt_schedule_common+0xa6/0xd0 [ 67.976479][ T4162] panic+0x318/0x860 [ 67.980402][ T4162] ? asm_sysvec_apic_timer_interrupt+0x16/0x20 [ 67.986554][ T4162] ? check_panic_on_warn+0x1d/0xa0 [ 67.991664][ T4162] ? fb_is_primary_device+0xd0/0xd0 [ 67.996863][ T4162] ? _raw_spin_unlock_irqrestore+0x128/0x130 [ 68.002858][ T4162] ? _raw_spin_unlock+0x40/0x40 [ 68.007723][ T4162] ? read_lock_is_recursive+0x10/0x10 [ 68.013109][ T4162] check_panic_on_warn+0x7e/0xa0 [ 68.018039][ T4162] ? btrfs_root_node+0x103/0x370 [ 68.022973][ T4162] end_report+0x6d/0xf0 [ 68.027137][ T4162] kasan_report+0x18e/0x1c0 [ 68.031632][ T4162] ? btrfs_root_node+0x103/0x370 [ 68.036559][ T4162] kasan_check_range+0x27e/0x290 [ 68.041510][ T4162] btrfs_root_node+0x103/0x370 [ 68.046266][ T4162] btrfs_read_lock_root_node+0x7b/0x3b0 [ 68.051805][ T4162] btrfs_search_slot+0x4b4/0x28f0 [ 68.056826][ T4162] ? btrfs_find_item+0x5a0/0x5a0 [ 68.061755][ T4162] ? btrfs_orphan_cleanup+0x13d/0xcf0 [ 68.067139][ T4162] ? rcu_is_watching+0x11/0xa0 [ 68.071894][ T4162] ? btrfs_orphan_cleanup+0x13d/0xcf0 [ 68.077259][ T4162] ? kmem_cache_alloc+0x128/0x280 [ 68.082278][ T4162] btrfs_orphan_cleanup+0x211/0xcf0 [ 68.087492][ T4162] ? btrfs_orphan_add+0x240/0x240 [ 68.092512][ T4162] ? do_raw_spin_unlock+0x137/0x8b0 [ 68.097720][ T4162] btrfs_cleanup_fs_roots+0x7a7/0xaf0 [ 68.103088][ T4162] ? btrfs_start_pre_rw_mount+0x680/0x680 [ 68.108799][ T4162] ? btrfs_get_fs_root+0x30/0x30 [ 68.113731][ T4162] btrfs_start_pre_rw_mount+0x1b5/0x680 [ 68.119266][ T4162] ? btrfs_free_zone_cache+0x15a/0x190 [ 68.124719][ T4162] open_ctree+0x2dcf/0x3500 [ 68.129226][ T4162] ? assertfail+0x20/0x20 [ 68.133551][ T4162] ? vscnprintf+0x80/0x80 [ 68.137875][ T4162] btrfs_fill_super+0x1c7/0x2d0 [ 68.142719][ T4162] btrfs_mount_root+0x803/0x930 [ 68.147575][ T4162] ? btrfs_control_open+0x40/0x40 [ 68.152594][ T4162] ? rcu_is_watching+0x11/0xa0 [ 68.157376][ T4162] ? vfs_parse_fs_string+0x18c/0x220 [ 68.162655][ T4162] ? vfs_parse_fs_param+0x410/0x410 [ 68.167931][ T4162] ? legacy_init_fs_context+0x7a/0xb0 [ 68.173300][ T4162] legacy_get_tree+0xeb/0x180 [ 68.177969][ T4162] ? btrfs_control_open+0x40/0x40 [ 68.182988][ T4162] vfs_get_tree+0x88/0x270 [ 68.187414][ T4162] vfs_kern_mount+0xb8/0x150 [ 68.191999][ T4162] btrfs_mount+0x395/0xb40 [ 68.196409][ T4162] ? btrfs_clear_sb_rdonly+0x70/0x70 [ 68.201688][ T4162] ? legacy_parse_param+0x3ea/0x8a0 [ 68.206877][ T4162] ? vfs_parse_fs_string+0x18c/0x220 [ 68.212174][ T4162] ? vfs_parse_fs_string+0x18c/0x220 [ 68.217453][ T4162] legacy_get_tree+0xeb/0x180 [ 68.222120][ T4162] ? btrfs_clear_sb_rdonly+0x70/0x70 [ 68.227419][ T4162] vfs_get_tree+0x88/0x270 [ 68.231828][ T4162] do_new_mount+0x2ba/0xb40 [ 68.236344][ T4162] ? do_move_mount_old+0x160/0x160 [ 68.241465][ T4162] ? user_path_at_empty+0x12b/0x180 [ 68.246656][ T4162] __se_sys_mount+0x2d5/0x3c0 [ 68.251351][ T4162] ? __x64_sys_mount+0xc0/0xc0 [ 68.256126][ T4162] ? syscall_enter_from_user_mode+0x2e/0x240 [ 68.262098][ T4162] ? lockdep_hardirqs_on+0x94/0x130 [ 68.267309][ T4162] ? __x64_sys_mount+0x1c/0xc0 [ 68.272062][ T4162] do_syscall_64+0x3b/0xb0 [ 68.276468][ T4162] ? clear_bhb_loop+0x15/0x70 [ 68.281137][ T4162] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 68.287040][ T4162] RIP: 0033:0x7f2d1483c9fa [ 68.291443][ T4162] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 68.311047][ T4162] RSP: 002b:00007ffcb785c1a8 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 [ 68.319452][ T4162] RAX: ffffffffffffffda RBX: 00007ffcb785c1c0 RCX: 00007f2d1483c9fa [ 68.327412][ T4162] RDX: 0000400000005100 RSI: 0000400000005140 RDI: 00007ffcb785c1c0 [ 68.335404][ T4162] RBP: 0000400000005140 R08: 00007ffcb785c200 R09: 0000000000005103 [ 68.343367][ T4162] R10: 0000000000000000 R11: 0000000000000282 R12: 0000400000005100 [ 68.351480][ T4162] R13: 00007ffcb785c200 R14: 0000000000000003 R15: 0000000000000000 [ 68.359482][ T4162] [ 68.362645][ T4162] Kernel Offset: disabled [ 68.366990][ T4162] Rebooting in 86400 seconds..