0100000 | 4 | 1 | 0 | 1733123339 =================================================================== REISERFS panic (device loop1): PAP-5580 reiserfs_cut_from_item: item to convert does not exist ([2 5 0x1 IND]) ------------[ cut here ]------------ kernel BUG at fs/reiserfs/prints.c:390! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 5190 Comm: syz.1.253 Not tainted 5.15.173-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 RIP: 0010:__reiserfs_panic+0x13a/0x140 fs/reiserfs/prints.c:390 Code: c7 c1 00 64 bb 8a 48 0f 44 c8 48 0f 44 d8 48 c7 c7 c0 64 bb 8a 4c 89 fe 48 89 da 4d 89 f0 49 c7 c1 20 40 bb 96 e8 46 ea 2e 08 <0f> 0b 0f 1f 40 00 55 48 89 e5 41 57 41 56 41 55 41 54 53 48 83 e4 RSP: 0018:ffffc9000306f1a0 EFLAGS: 00010246 RAX: 000000000000006e RBX: ffffffff8abb82e0 RCX: d4b6e5af344b5300 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffffc9000306f290 R08: ffffffff81669a1c R09: ffffed10171c67a8 R10: 0000000000000000 R11: dffffc0000000001 R12: ffffffff8abb8300 R13: ffffc9000306f1c0 R14: ffffffff8c3dc174 R15: ffff888022cd66a8 FS: 0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f78d7d56440 CR3: 0000000064a23000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: reiserfs_cut_from_item+0x213e/0x2560 fs/reiserfs/stree.c:1729 reiserfs_do_truncate+0xa12/0x15b0 fs/reiserfs/stree.c:1973 reiserfs_truncate_file+0x638/0xda0 fs/reiserfs/inode.c:2318 reiserfs_file_release+0x8c6/0xaa0 fs/reiserfs/file.c:109 __fput+0x3fe/0x8e0 fs/file_table.c:280 task_work_run+0x129/0x1a0 kernel/task_work.c:188 exit_task_work include/linux/task_work.h:33 [inline] do_exit+0x6a3/0x2480 kernel/exit.c:874 do_group_exit+0x144/0x310 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+0x3b/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f43243f1849 Code: Unable to access opcode bytes at RIP 0x7f43243f181f. RSP: 002b:00007ffe111dc9f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f43243f1849 RDX: 0000000000000064 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007ffe111dca4c R08: 00007ffe111dcadf R09: 0000000000024dad R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000032 R13: 0000000000024dad R14: 0000000000024d89 R15: 00007ffe111dcaa0 Modules linked in: ---[ end trace 1ea571524ad13281 ]--- RIP: 0010:__reiserfs_panic+0x13a/0x140 fs/reiserfs/prints.c:390 Code: c7 c1 00 64 bb 8a 48 0f 44 c8 48 0f 44 d8 48 c7 c7 c0 64 bb 8a 4c 89 fe 48 89 da 4d 89 f0 49 c7 c1 20 40 bb 96 e8 46 ea 2e 08 <0f> 0b 0f 1f 40 00 55 48 89 e5 41 57 41 56 41 55 41 54 53 48 83 e4 RSP: 0018:ffffc9000306f1a0 EFLAGS: 00010246 RAX: 000000000000006e RBX: ffffffff8abb82e0 RCX: d4b6e5af344b5300 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffffc9000306f290 R08: ffffffff81669a1c R09: ffffed10171c67a8 R10: 0000000000000000 R11: dffffc0000000001 R12: ffffffff8abb8300 R13: ffffc9000306f1c0 R14: ffffffff8c3dc174 R15: ffff888022cd66a8 FS: 0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b3031cff8 CR3: 000000007d27c000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400