Warning: Permanently added '10.128.0.162' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 55.601094][ T8393] loop0: detected capacity change from 0 to 131391 [ 55.612769][ T8393] REISERFS (device loop0): found reiserfs format "3.6" with standard journal [ 55.622876][ T8393] REISERFS (device loop0): using ordered data mode [ 55.630314][ T8393] reiserfs: using flush barriers [ 55.636447][ T8393] REISERFS (device loop0): journal params: device loop0, size 8192, journal first block 10, max trans len 1024, max batch 900, max commit age 30, max trans age 30 [ 55.657404][ T8393] REISERFS (device loop0): checking transaction log (loop0) [ 56.493546][ T8393] REISERFS (device loop0): Using r5 hash to sort names [ 56.501343][ T8393] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 56.527697][ T8393] divide error: 0000 [#1] PREEMPT SMP KASAN [ 56.533773][ T8393] CPU: 0 PID: 8393 Comm: syz-executor119 Not tainted 5.13.0-rc1-syzkaller #0 [ 56.542522][ T8393] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.552567][ T8393] RIP: 0010:do_journal_end+0x24aa/0x4950 [ 56.558215][ T8393] Code: c1 45 84 ca 0f 85 67 18 00 00 83 e2 07 40 38 d6 41 0f 9e c1 40 84 f6 0f 95 c2 41 84 d1 0f 85 4e 18 00 00 41 8b 7c 24 14 31 d2 <48> f7 f7 49 8d 7d 18 48 8d 34 0a 48 89 f8 48 c1 e8 03 80 3c 18 00 [ 56.577816][ T8393] RSP: 0018:ffffc9000187faa0 EFLAGS: 00010246 [ 56.583868][ T8393] RAX: 0000000000000005 RBX: dffffc0000000000 RCX: 0000000000000000 [ 56.591825][ T8393] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 56.599779][ T8393] RBP: ffffc900016c1048 R08: 0000000000001000 R09: 0000000000000001 [ 56.607740][ T8393] R10: 0000000000000001 R11: 0000000000000000 R12: ffff8880349b1000 [ 56.615694][ T8393] R13: ffff8880285b9000 R14: ffff88801248d4c0 R15: ffff888019b28000 [ 56.623651][ T8393] FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 56.632564][ T8393] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.639132][ T8393] CR2: 000055cf21e91b70 CR3: 0000000013782000 CR4: 0000000000350ef0 [ 56.647087][ T8393] Call Trace: [ 56.650351][ T8393] reiserfs_sync_fs+0xf8/0x120 [ 56.655103][ T8393] ? handle_quota_files+0x3b0/0x3b0 [ 56.660285][ T8393] ? get_nr_dirty_inodes+0x16f/0x210 [ 56.665557][ T8393] ? handle_quota_files+0x3b0/0x3b0 [ 56.670740][ T8393] sync_filesystem+0x1b5/0x260 [ 56.675490][ T8393] generic_shutdown_super+0x70/0x370 [ 56.680774][ T8393] kill_block_super+0x97/0xf0 [ 56.685502][ T8393] deactivate_locked_super+0x94/0x160 [ 56.690901][ T8393] deactivate_super+0xad/0xd0 [ 56.695613][ T8393] cleanup_mnt+0x3a2/0x540 [ 56.700102][ T8393] task_work_run+0xdd/0x1a0 [ 56.704587][ T8393] do_exit+0xbfc/0x2a60 [ 56.708731][ T8393] ? mm_update_next_owner+0x7a0/0x7a0 [ 56.714088][ T8393] ? lock_downgrade+0x6e0/0x6e0 [ 56.718923][ T8393] ? lock_downgrade+0x6e0/0x6e0 [ 56.723764][ T8393] do_group_exit+0x125/0x310 [ 56.728335][ T8393] __x64_sys_exit_group+0x3a/0x50 [ 56.733341][ T8393] do_syscall_64+0x3a/0xb0 [ 56.737754][ T8393] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 56.743632][ T8393] RIP: 0033:0x4438c9 [ 56.747504][ T8393] Code: Unable to access opcode bytes at RIP 0x44389f. [ 56.754342][ T8393] RSP: 002b:00007ffe1e8a33f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 56.762738][ T8393] RAX: ffffffffffffffda RBX: 00000000004b52f0 RCX: 00000000004438c9 [ 56.770778][ T8393] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 56.778820][ T8393] RBP: 0000000000000001 R08: ffffffffffffffc4 R09: 0000000000000000 [ 56.786772][ T8393] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004b52f0 [ 56.794723][ T8393] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 56.802682][ T8393] Modules linked in: [ 56.807777][ T8393] ---[ end trace 918df66ba4209fe1 ]--- [ 56.813361][ T8393] RIP: 0010:do_journal_end+0x24aa/0x4950 [ 56.819668][ T8393] Code: c1 45 84 ca 0f 85 67 18 00 00 83 e2 07 40 38 d6 41 0f 9e c1 40 84 f6 0f 95 c2 41 84 d1 0f 85 4e 18 00 00 41 8b 7c 24 14 31 d2 <48> f7 f7 49 8d 7d 18 48 8d 34 0a 48 89 f8 48 c1 e8 03 80 3c 18 00 [ 56.839765][ T8393] RSP: 0018:ffffc9000187faa0 EFLAGS: 00010246 [ 56.845864][ T8393] RAX: 0000000000000005 RBX: dffffc0000000000 RCX: 0000000000000000 [ 56.854124][ T8393] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 56.863110][ T8393] RBP: ffffc900016c1048 R08: 0000000000001000 R09: 0000000000000001 [ 56.871125][ T8393] R10: 0000000000000001 R11: 0000000000000000 R12: ffff8880349b1000 [ 56.879351][ T8393] R13: ffff8880285b9000 R14: ffff88801248d4c0 R15: ffff888019b28000 [ 56.887404][ T8393] FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 56.896355][ T8393] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.902975][ T8393] CR2: 000055cf21e91b70 CR3: 00000000133f2000 CR4: 0000000000350ef0 [ 56.911016][ T8393] Kernel panic - not syncing: Fatal exception [ 56.921231][ T8393] Kernel Offset: disabled [ 56.926067][ T8393] Rebooting in 86400 seconds..