------------------------------------------------------------------------------- | 1| *3.6* [2 7 0x0 SD], item_len 44, item_location 4008, free_space(entry_count) 65535 | mode | size | nlinks | first direct | mtime 0100000 | 169 | 1 | 0 | 1745716461 =================================================================== REISERFS panic (device loop0): PAP-5580 reiserfs_cut_from_item: item to convert does not exist ([2 7 0x1 IND]) ------------[ cut here ]------------ kernel BUG at fs/reiserfs/prints.c:390! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 4162 Comm: syz-executor317 Not tainted 5.15.180-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 RIP: 0010:__reiserfs_panic+0x13a/0x140 fs/reiserfs/prints.c:390 Code: c7 c1 40 47 1b 8a 48 0f 44 c8 4c 0f 44 f0 48 c7 c7 00 48 1b 8a 4c 89 fe 4c 89 f2 49 89 d8 49 c7 c1 a0 5f 1c 96 e8 16 52 ff ff <0f> 0b 0f 1f 40 00 53 48 89 fb e8 77 a0 e0 f7 48 c7 c7 c0 50 1b 8a RSP: 0018:ffffc90002def240 EFLAGS: 00010246 RAX: 000000000000006e RBX: ffffffff8baf1b3c RCX: 0cd58bf39097fc00 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffffc90002def330 R08: dffffc0000000000 R09: fffff520005bddad R10: fffff520005bddad R11: 1ffff920005bddac R12: ffffffff8a1b65e0 R13: ffffc90002def260 R14: ffffffff8a1b65c0 R15: ffff88801e6466a8 FS: 0000000000000000(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f7b3436cb48 CR3: 000000000be8e000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: reiserfs_cut_from_item+0x1926/0x1ef0 fs/reiserfs/stree.c:1729 reiserfs_do_truncate+0xa90/0x13e0 fs/reiserfs/stree.c:1973 reiserfs_truncate_file+0x632/0xdc0 fs/reiserfs/inode.c:2318 reiserfs_file_release+0x8e0/0xa50 fs/reiserfs/file.c:109 __fput+0x234/0x930 fs/file_table.c:311 task_work_run+0x125/0x1a0 kernel/task_work.c:188 exit_task_work include/linux/task_work.h:33 [inline] do_exit+0x616/0x20a0 kernel/exit.c:874 do_group_exit+0x12e/0x300 kernel/exit.c:996 __do_sys_exit_group kernel/exit.c:1007 [inline] __se_sys_exit_group kernel/exit.c:1005 [inline] __x64_sys_exit_group+0x3b/0x40 kernel/exit.c:1005 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f7b34322f79 Code: Unable to access opcode bytes at RIP 0x7f7b34322f4f. RSP: 002b:00007ffd0c7afc98 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7b34322f79 RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 RBP: 00007f7b3439e2b0 R08: ffffffffffffffb8 R09: 00007ffd0c7afeb8 R10: 00007ffd0c7afeb8 R11: 0000000000000246 R12: 00007f7b3439e2b0 R13: 0000000000000000 R14: 00007f7b3439f020 R15: 00007f7b342f1ac0 Modules linked in: ---[ end trace f125ca0f0602fde2 ]--- RIP: 0010:__reiserfs_panic+0x13a/0x140 fs/reiserfs/prints.c:390 Code: c7 c1 40 47 1b 8a 48 0f 44 c8 4c 0f 44 f0 48 c7 c7 00 48 1b 8a 4c 89 fe 4c 89 f2 49 89 d8 49 c7 c1 a0 5f 1c 96 e8 16 52 ff ff <0f> 0b 0f 1f 40 00 53 48 89 fb e8 77 a0 e0 f7 48 c7 c7 c0 50 1b 8a RSP: 0018:ffffc90002def240 EFLAGS: 00010246 RAX: 000000000000006e RBX: ffffffff8baf1b3c RCX: 0cd58bf39097fc00 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffffc90002def330 R08: dffffc0000000000 R09: fffff520005bddad R10: fffff520005bddad R11: 1ffff920005bddac R12: ffffffff8a1b65e0 R13: ffffc90002def260 R14: ffffffff8a1b65c0 R15: ffff88801e6466a8 FS: 0000000000000000(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f7b3436cb48 CR3: 000000000be8e000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400