Warning: Permanently added '10.128.10.43' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 28.106791] IPVS: ftp: loaded support on port[0] = 21 [ 28.198741] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 28.207388] REISERFS (device loop0): using ordered data mode [ 28.213175] reiserfs: using flush barriers [ 28.221305] 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 [ 28.237117] REISERFS (device loop0): checking transaction log (loop0) [ 28.279962] REISERFS (device loop0): Using r5 hash to sort names [ 28.286355] REISERFS (device loop0): using 3.5.x disk format [ 28.292465] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 28.326825] 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 [ 28.341771] REISERFS error (device loop0): vs-5150 search_by_key: invalid format found in block 532. Fsck? [ 28.351595] REISERFS (device loop0): Remounting filesystem read-only [ 28.358204] REISERFS error (device loop0): vs-13050 reiserfs_update_sd_size: i/o failure occurred trying to update [2 2 0x0 SD] stat data [ 28.370734] 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 [ 28.385371] REISERFS error (device loop0): vs-5150 search_by_key: invalid format found in block 532. Fsck? [ 28.395392] kasan: CONFIG_KASAN_INLINE enabled [ 28.400133] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 28.407525] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 28.413732] Modules linked in: [ 28.416906] CPU: 0 PID: 7966 Comm: syz-executor384 Not tainted 4.14.302-syzkaller #0 [ 28.424754] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 28.434078] task: ffff8880b37a20c0 task.stack: ffff8880b36c0000 [ 28.440109] RIP: 0010:prepare_for_delete_or_cut+0x115/0x18c0 [ 28.445876] RSP: 0018:ffff8880b36c7500 EFLAGS: 00010206 [ 28.451216] RAX: dffffc0000000000 RBX: ffff8880b36c76c0 RCX: ffff8880b36c7b20 [ 28.458463] RDX: 0000000000000005 RSI: ffff88808df46788 RDI: 0000000000000028 [ 28.465706] RBP: 0000000000000000 R08: ffff8880b36c76d0 R09: ffff8880b36c76c0 [ 28.472946] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 28.480190] R13: 0000000000000002 R14: 1ffff110166d8f6c R15: ffff8880b36c76d0 [ 28.487437] FS: 0000555556841300(0000) GS:ffff8880ba400000(0000) knlGS:0000000000000000 [ 28.495634] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 28.501484] CR2: 00007fd5c86be740 CR3: 00000000b613a000 CR4: 00000000003406f0 [ 28.508726] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 28.515968] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 28.523209] Call Trace: [ 28.525776] ? search_by_key+0x3690/0x3690 [ 28.529981] ? reiserfs_unmap_buffer+0x3f0/0x3f0 [ 28.534706] ? comp_items+0x1a0/0x1a0 [ 28.538487] ? memset+0x20/0x40 [ 28.541742] reiserfs_cut_from_item+0x1ca/0x1570 [ 28.546480] ? reiserfs_delete_solid_item+0xa60/0xa60 [ 28.551645] ? wake_up_bit+0x3/0xf0 [ 28.555258] ? lock_downgrade+0x740/0x740 [ 28.559378] ? __ww_mutex_wakeup_for_backoff+0x210/0x210 [ 28.564808] ? __mutex_unlock_slowpath+0x75/0x770 [ 28.569625] ? make_cpu_key+0x22/0x2a0 [ 28.573486] reiserfs_do_truncate+0x53f/0xf50 [ 28.577953] ? reiserfs_cut_from_item+0x1570/0x1570 [ 28.582944] reiserfs_truncate_file+0x17e/0xdb0 [ 28.587587] ? reiserfs_write_inode+0x250/0x250 [ 28.592227] reiserfs_file_release+0x758/0xaf0 [ 28.596778] ? reiserfs_sync_file+0x2d0/0x2d0 [ 28.601243] ? wait_for_completion_io+0x10/0x10 [ 28.605885] ? ima_file_free+0x15b/0x330 [ 28.609920] ? reiserfs_sync_file+0x2d0/0x2d0 [ 28.614386] __fput+0x25f/0x7a0 [ 28.617639] task_work_run+0x11f/0x190 [ 28.621499] exit_to_usermode_loop+0x1ad/0x200 [ 28.626051] do_syscall_64+0x4a3/0x640 [ 28.629912] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 28.635073] RIP: 0033:0x7f8858b46313 [ 28.638754] RSP: 002b:00007ffcf69f7198 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ 28.646435] RAX: 0000000000000000 RBX: 0000000000000005 RCX: 00007f8858b46313 [ 28.653673] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004 [ 28.660916] RBP: 00007ffcf69f71a8 R08: 0000000000000000 R09: 0000000000000000 [ 28.668157] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffcf69f71b0 [ 28.675397] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 28.682639] Code: 00 fc ff df 48 c1 ea 03 80 3c 02 00 0f 85 1a 17 00 00 48 b8 00 00 00 00 00 fc ff df 48 8b 6d 00 48 8d 7d 28 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 ed 16 00 00 4c 8b 6d 28 49 63 c4 48 8d 44 40 [ 28.701698] RIP: prepare_for_delete_or_cut+0x115/0x18c0 RSP: ffff8880b36c7500 [ 28.713342] ---[ end trace 0db54383152ced1b ]--- [ 28.718115] Kernel panic - not syncing: Fatal exception [ 28.723606] Kernel Offset: disabled [ 28.727209] Rebooting in 86400 seconds..