Warning: Permanently added '10.128.0.196' (ED25519) to the list of known hosts. executing program [ 51.032994][ T4168] loop0: detected capacity change from 0 to 8192 [ 51.078022][ T4168] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 51.087553][ T4168] REISERFS (device loop0): using ordered data mode [ 51.094574][ T4168] reiserfs: using flush barriers [ 51.101464][ T4168] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 51.118368][ T4168] REISERFS (device loop0): checking transaction log (loop0) [ 51.128918][ T4168] REISERFS (device loop0): Using r5 hash to sort names [ 51.136345][ T4168] REISERFS (device loop0): using 3.5.x disk format [ 51.144217][ T4168] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 51.193018][ T4168] REISERFS warning: reiserfs-5093 is_leaf: item entry count seems wrong *3.5*[2 1 0(1) DIR], item_len 35, item_location 4029, free_space(entry_count) 2 [ 51.208423][ T4168] REISERFS error (device loop0): vs-5150 search_by_key: invalid format found in block 533. Fsck? [ 51.219058][ T4168] REISERFS (device loop0): Remounting filesystem read-only [ 51.226266][ T4168] REISERFS error (device loop0): vs-13050 reiserfs_update_sd_size: i/o failure occurred trying to update [2 3 0x0 SD] stat data [ 51.239498][ T4168] REISERFS warning: reiserfs-5093 is_leaf: item entry count seems wrong *3.5*[2 1 0(1) DIR], item_len 35, item_location 4029, free_space(entry_count) 2 [ 51.254901][ T4168] REISERFS error (device loop0): vs-5150 search_by_key: invalid format found in block 533. Fsck? [ 51.265454][ T4168] general protection fault, probably for non-canonical address 0xdffffc0000000005: 0000 [#1] PREEMPT SMP KASAN [ 51.277330][ T4168] KASAN: null-ptr-deref in range [0x0000000000000028-0x000000000000002f] [ 51.285731][ T4168] CPU: 1 PID: 4168 Comm: syz-executor188 Not tainted 5.15.184-syzkaller #0 [ 51.294298][ T4168] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 51.304347][ T4168] RIP: 0010:prepare_for_delete_or_cut+0x170/0x1e00 [ 51.310862][ T4168] Code: 44 24 38 4a 8d 5c 30 08 48 89 d8 48 c1 e8 03 42 0f b6 04 20 84 c0 0f 85 fc 14 00 00 4c 63 33 49 83 c7 28 4c 89 f8 48 c1 e8 03 <42> 80 3c 20 00 74 08 4c 89 ff e8 71 27 bf ff 4d 8b 3f 48 8b 44 24 [ 51.330453][ T4168] RSP: 0018:ffffc90002e3f2e0 EFLAGS: 00010206 [ 51.336497][ T4168] RAX: 0000000000000005 RBX: ffffc90002e3fa60 RCX: ffff888075a80000 [ 51.344452][ T4168] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000008 [ 51.352425][ T4168] RBP: ffffc90002e3f448 R08: ffffc90002e3f538 R09: ffffc90002e3f53c [ 51.360386][ T4168] R10: 00000000fffffffe R11: 0000000000000000 R12: dffffc0000000000 [ 51.368356][ T4168] R13: ffffc90002e3fa40 R14: 0000000000000000 R15: 0000000000000028 [ 51.376316][ T4168] FS: 000055555a82f380(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000 [ 51.385322][ T4168] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.391892][ T4168] CR2: 00007fb7ddebe100 CR3: 0000000027c62000 CR4: 00000000003506e0 [ 51.400294][ T4168] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 51.408270][ T4168] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 51.416294][ T4168] Call Trace: [ 51.419651][ T4168] [ 51.422621][ T4168] ? search_by_key+0x4390/0x4390 [ 51.427543][ T4168] ? reiserfs_delete_item+0xf20/0xf20 [ 51.432991][ T4168] reiserfs_cut_from_item+0x289/0x1ef0 [ 51.438434][ T4168] ? reiserfs_do_truncate+0x13e0/0x13e0 [ 51.444154][ T4168] ? make_cpu_key+0x2b/0x220 [ 51.448720][ T4168] reiserfs_do_truncate+0xa90/0x13e0 [ 51.453994][ T4168] ? reiserfs_delete_object+0x1a0/0x1a0 [ 51.459617][ T4168] ? page_zero_new_buffers+0x490/0x490 [ 51.465056][ T4168] ? journal_begin+0x1f1/0x350 [ 51.469813][ T4168] ? reiserfs_update_inode_transaction+0x1c/0x120 [ 51.476215][ T4168] reiserfs_truncate_file+0x632/0xdc0 [ 51.481658][ T4168] ? reiserfs_new_symlink+0x560/0x560 [ 51.487131][ T4168] ? journal_end+0x1d8/0x290 [ 51.491717][ T4168] reiserfs_file_release+0x8e0/0xa50 [ 51.496980][ T4168] ? reiserfs_file_open+0x110/0x110 [ 51.502151][ T4168] ? ima_file_free+0x340/0x3e0 [ 51.506889][ T4168] ? reiserfs_file_open+0x110/0x110 [ 51.512055][ T4168] __fput+0x234/0x930 [ 51.516022][ T4168] task_work_run+0x125/0x1a0 [ 51.520587][ T4168] exit_to_user_mode_loop+0x10f/0x130 [ 51.525948][ T4168] exit_to_user_mode_prepare+0xb1/0x140 [ 51.531488][ T4168] syscall_exit_to_user_mode+0x16/0x40 [ 51.536934][ T4168] do_syscall_64+0x58/0xa0 [ 51.541323][ T4168] ? clear_bhb_loop+0x30/0x80 [ 51.545970][ T4168] ? clear_bhb_loop+0x30/0x80 [ 51.550624][ T4168] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 51.556514][ T4168] RIP: 0033:0x7fb7dde44480 [ 51.560931][ T4168] Code: ff f7 d8 64 89 02 48 c7 c0 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 80 3d 21 ac 07 00 00 74 17 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 48 c3 0f 1f 80 00 00 00 00 48 83 ec 18 89 7c [ 51.580652][ T4168] RSP: 002b:00007ffd1fce0a28 EFLAGS: 00000202 ORIG_RAX: 0000000000000003 [ 51.589057][ T4168] RAX: 0000000000000000 RBX: 0000000000000006 RCX: 00007fb7dde44480 [ 51.597008][ T4168] RDX: 00007fb7dde452c9 RSI: 0000000000000e0e RDI: 0000000000000005 [ 51.604965][ T4168] RBP: 0000000000000000 R08: 0000555500000000 R09: 0000555500000000 [ 51.612910][ T4168] R10: 0000555500000000 R11: 0000000000000202 R12: 00000000000f4240 [ 51.620867][ T4168] R13: 00007fb7dde9463c R14: 00007fb7dde8e0e2 R15: 00007ffd1fce0a60 [ 51.628818][ T4168] [ 51.631815][ T4168] Modules linked in: [ 51.635906][ T4168] ---[ end trace c9297c419b1d4aa6 ]--- [ 51.641417][ T4168] RIP: 0010:prepare_for_delete_or_cut+0x170/0x1e00 [ 51.648546][ T4168] Code: 44 24 38 4a 8d 5c 30 08 48 89 d8 48 c1 e8 03 42 0f b6 04 20 84 c0 0f 85 fc 14 00 00 4c 63 33 49 83 c7 28 4c 89 f8 48 c1 e8 03 <42> 80 3c 20 00 74 08 4c 89 ff e8 71 27 bf ff 4d 8b 3f 48 8b 44 24 [ 51.668295][ T4168] RSP: 0018:ffffc90002e3f2e0 EFLAGS: 00010206 [ 51.674376][ T4168] RAX: 0000000000000005 RBX: ffffc90002e3fa60 RCX: ffff888075a80000 [ 51.682374][ T4168] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000008 [ 51.690348][ T4168] RBP: ffffc90002e3f448 R08: ffffc90002e3f538 R09: ffffc90002e3f53c [ 51.698326][ T4168] R10: 00000000fffffffe R11: 0000000000000000 R12: dffffc0000000000 [ 51.706338][ T4168] R13: ffffc90002e3fa40 R14: 0000000000000000 R15: 0000000000000028 [ 51.714419][ T4168] FS: 000055555a82f380(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000 [ 51.723407][ T4168] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.730000][ T4168] CR2: 00007fb7ddebe100 CR3: 0000000027c62000 CR4: 00000000003506e0 [ 51.738006][ T4168] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 51.746127][ T4168] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 51.754222][ T4168] Kernel panic - not syncing: Fatal exception [ 51.760606][ T4168] Kernel Offset: disabled [ 51.764930][ T4168] Rebooting in 86400 seconds..