Warning: Permanently added '10.128.1.196' (ED25519) to the list of known hosts. executing program syzkaller login: [ 46.807959][ T3501] loop0: detected capacity change from 0 to 8192 [ 46.904175][ T3501] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 46.913699][ T3501] REISERFS (device loop0): using ordered data mode [ 46.931091][ T3501] reiserfs: using flush barriers [ 46.937031][ T3501] 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 [ 46.953658][ T3501] REISERFS (device loop0): checking transaction log (loop0) [ 46.997516][ T3501] REISERFS (device loop0): Using tea hash to sort names [ 47.005327][ T3501] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 47.050994][ T3501] divide error: 0000 [#1] PREEMPT SMP KASAN [ 47.056916][ T3501] CPU: 1 PID: 3501 Comm: syz-executor295 Not tainted 5.15.163-syzkaller #0 [ 47.065503][ T3501] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 47.075544][ T3501] RIP: 0010:do_journal_end+0x12f1/0x4650 [ 47.081169][ T3501] Code: 04 30 84 c0 0f 85 74 2d 00 00 4f 8d 7c 2f 01 48 89 e8 48 c1 e8 03 42 0f b6 04 30 84 c0 0f 85 7a 2d 00 00 8b 0b 4c 89 f8 31 d2 <48> f7 f1 48 89 d3 4c 01 e3 48 8b 84 24 c8 00 00 00 42 80 3c 30 00 [ 47.100747][ T3501] RSP: 0018:ffffc90002327970 EFLAGS: 00010246 [ 47.106790][ T3501] RAX: 0000000000000003 RBX: ffff88804b7c7014 RCX: 0000000000000000 [ 47.114738][ T3501] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888078502000 [ 47.122684][ T3501] RBP: ffff88804b7c7017 R08: dffffc0000000000 R09: ffff888078502000 [ 47.130631][ T3501] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000 [ 47.138575][ T3501] R13: 0000000000000002 R14: dffffc0000000000 R15: 0000000000000003 [ 47.146880][ T3501] FS: 0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 [ 47.155881][ T3501] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.162443][ T3501] CR2: 00007f7d932880b8 CR3: 000000000c68e000 CR4: 00000000003506e0 [ 47.170393][ T3501] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 47.178336][ T3501] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 47.186284][ T3501] Call Trace: [ 47.189538][ T3501] [ 47.192445][ T3501] ? __die_body+0x5e/0xa0 [ 47.196757][ T3501] ? die+0x83/0xb0 [ 47.200449][ T3501] ? do_trap+0x11e/0x350 [ 47.204666][ T3501] ? do_journal_end+0x12f1/0x4650 [ 47.209661][ T3501] ? do_journal_end+0x12f1/0x4650 [ 47.214663][ T3501] ? do_error_trap+0x13d/0x1e0 [ 47.219486][ T3501] ? do_journal_end+0x12f1/0x4650 [ 47.224484][ T3501] ? do_int3+0x30/0x30 [ 47.228527][ T3501] ? rcu_is_watching+0x11/0xa0 [ 47.233262][ T3501] ? exc_divide_error+0x34/0x50 [ 47.238086][ T3501] ? do_journal_end+0x12f1/0x4650 [ 47.243081][ T3501] ? asm_exc_divide_error+0x16/0x20 [ 47.248250][ T3501] ? do_journal_end+0x12f1/0x4650 [ 47.253251][ T3501] reiserfs_sync_fs+0xca/0x140 [ 47.257989][ T3501] ? handle_attrs+0x1f0/0x1f0 [ 47.262638][ T3501] ? cpumask_next+0xc3/0xf0 [ 47.267116][ T3501] ? get_nr_dirty_inodes+0x25f/0x2e0 [ 47.272375][ T3501] sync_filesystem+0xe8/0x220 [ 47.277024][ T3501] generic_shutdown_super+0x6e/0x2c0 [ 47.282280][ T3501] kill_block_super+0x7a/0xe0 [ 47.287106][ T3501] deactivate_locked_super+0xa0/0x110 [ 47.292450][ T3501] cleanup_mnt+0x44e/0x500 [ 47.296841][ T3501] ? lockdep_hardirqs_on+0x94/0x130 [ 47.302015][ T3501] task_work_run+0x129/0x1a0 [ 47.306584][ T3501] do_exit+0x6a3/0x2480 [ 47.310714][ T3501] ? put_task_struct+0x80/0x80 [ 47.315449][ T3501] ? lockdep_hardirqs_on_prepare+0x438/0x7a0 [ 47.321402][ T3501] ? vtime_user_exit+0x2d1/0x400 [ 47.326312][ T3501] do_group_exit+0x144/0x310 [ 47.330880][ T3501] __x64_sys_exit_group+0x3b/0x40 [ 47.335884][ T3501] do_syscall_64+0x3b/0xb0 [ 47.341317][ T3501] ? clear_bhb_loop+0x15/0x70 [ 47.346154][ T3501] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 47.352028][ T3501] RIP: 0033:0x7f7d9323dac9 [ 47.356426][ T3501] Code: Unable to access opcode bytes at RIP 0x7f7d9323da9f. [ 47.363760][ T3501] RSP: 002b:00007ffe962f1318 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 47.372278][ T3501] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f7d9323dac9 [ 47.380236][ T3501] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 47.388188][ T3501] RBP: 00007f7d932bb2d0 R08: ffffffffffffffb8 R09: 0000000000000003 [ 47.396133][ T3501] R10: 0000000000007a00 R11: 0000000000000246 R12: 00007f7d932bb2d0 [ 47.404078][ T3501] R13: 0000000000000000 R14: 00007f7d932bc040 R15: 00007f7d9320c010 [ 47.412029][ T3501] [ 47.415023][ T3501] Modules linked in: [ 47.419111][ T3501] ---[ end trace 4a42bfbdd32f9444 ]--- [ 47.424599][ T3501] RIP: 0010:do_journal_end+0x12f1/0x4650 [ 47.430242][ T3501] Code: 04 30 84 c0 0f 85 74 2d 00 00 4f 8d 7c 2f 01 48 89 e8 48 c1 e8 03 42 0f b6 04 30 84 c0 0f 85 7a 2d 00 00 8b 0b 4c 89 f8 31 d2 <48> f7 f1 48 89 d3 4c 01 e3 48 8b 84 24 c8 00 00 00 42 80 3c 30 00 [ 47.450038][ T3501] RSP: 0018:ffffc90002327970 EFLAGS: 00010246 [ 47.456760][ T3501] RAX: 0000000000000003 RBX: ffff88804b7c7014 RCX: 0000000000000000 [ 47.464826][ T3501] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888078502000 [ 47.472822][ T3501] RBP: ffff88804b7c7017 R08: dffffc0000000000 R09: ffff888078502000 [ 47.480775][ T3501] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000 [ 47.488789][ T3501] R13: 0000000000000002 R14: dffffc0000000000 R15: 0000000000000003 [ 47.496892][ T3501] FS: 0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 [ 47.505865][ T3501] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.512489][ T3501] CR2: 0000000020032000 CR3: 0000000023a4d000 CR4: 00000000003506f0 [ 47.520477][ T3501] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 47.528532][ T3501] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 47.536528][ T3501] Kernel panic - not syncing: Fatal exception [ 47.542770][ T3501] Kernel Offset: disabled [ 47.547078][ T3501] Rebooting in 86400 seconds..