[ OK ] Started Getty on tty2. [ OK ] Reached target Login Prompts. [ OK ] Started OpenBSD Secure Shell server. [ OK ] Listening on Load/Save RF Kill Switch Status /dev/rfkill Watch. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... Starting Load/Save RF Kill Switch Status... [ OK ] Started Update UTMP about System Runlevel Changes. [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.1.120' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 32.852288] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 32.860992] REISERFS (device loop0): using ordered data mode [ 32.871673] reiserfs: using flush barriers [ 32.877180] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 35870, max trans age 30 [ 32.893833] REISERFS (device loop0): checking transaction log (loop0) [ 32.947684] REISERFS (device loop0): Using r5 hash to sort names [ 32.954481] REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! [ 32.966934] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 32.990436] REISERFS error (device loop0): vs-4080 _reiserfs_free_block: block 531: bit already cleared [ 33.000279] REISERFS (device loop0): Remounting filesystem read-only [ 33.007197] ------------[ cut here ]------------ [ 33.012654] WARNING: CPU: 1 PID: 8097 at fs/reiserfs/journal.c:3405 journal_end.cold+0x11/0x1e [ 33.021407] Kernel panic - not syncing: panic_on_warn set ... [ 33.021407] [ 33.028825] CPU: 1 PID: 8097 Comm: syz-executor121 Not tainted 4.19.211-syzkaller #0 [ 33.036683] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 33.046017] Call Trace: [ 33.048587] dump_stack+0x1fc/0x2ef [ 33.052200] panic+0x26a/0x50e [ 33.055371] ? __warn_printk+0xf3/0xf3 [ 33.059265] ? journal_end.cold+0x11/0x1e [ 33.063531] ? __probe_kernel_read+0x130/0x1b0 [ 33.068107] ? __warn.cold+0x5/0x5a [ 33.071723] ? __warn+0xe4/0x200 [ 33.075272] ? journal_end.cold+0x11/0x1e [ 33.079407] __warn.cold+0x20/0x5a [ 33.082932] ? io_schedule_timeout+0x140/0x140 [ 33.087520] ? journal_end.cold+0x11/0x1e [ 33.091647] report_bug+0x262/0x2b0 [ 33.095272] do_error_trap+0x1d7/0x310 [ 33.099183] ? math_error+0x310/0x310 [ 33.103068] ? __irq_work_queue_local+0x101/0x160 [ 33.107898] ? irq_work_queue+0x29/0x80 [ 33.111854] ? error_entry+0x72/0xd0 [ 33.115562] ? trace_hardirqs_off_caller+0x6e/0x210 [ 33.120561] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 33.125404] invalid_op+0x14/0x20 [ 33.128863] RIP: 0010:journal_end.cold+0x11/0x1e [ 33.133737] Code: f0 fd ff e8 50 bf 6c f9 e8 9b 82 a2 f9 48 c7 c7 00 6f 79 88 e8 bb 98 20 00 e8 3a bf 6c f9 48 c7 c7 a0 bc 79 88 e8 99 f0 fd ff <0f> 0b 41 bd fb ff ff ff e9 c2 6f e1 f9 e8 1c bf 6c f9 48 c7 c7 e0 [ 33.152981] RSP: 0018:ffff8880b1537aa8 EFLAGS: 00010286 [ 33.158341] RAX: 0000000000000024 RBX: 0000000000000000 RCX: 0000000000000000 [ 33.165591] RDX: 0000000000000000 RSI: ffffffff814dff01 RDI: ffffed10162a6f47 [ 33.172928] RBP: ffff8880b1537b20 R08: 0000000000000024 R09: 0000000000000000 [ 33.180181] R10: 0000000000000005 R11: 0000000000000000 R12: ffff8880b1537b34 [ 33.187431] R13: 0000000000000000 R14: ffff88808ac377a8 R15: ffff8880b1537b20 [ 33.194697] ? vprintk_func+0x81/0x180 [ 33.198661] ? journal_end.cold+0x11/0x1e [ 33.202791] reiserfs_truncate_file+0x1bc/0x1030 [ 33.207537] ? reiserfs_write_inode+0x2d0/0x2d0 [ 33.212194] reiserfs_file_release+0x982/0xd90 [ 33.216759] ? _raw_spin_unlock_irqrestore+0x66/0xe0 [ 33.221864] ? reiserfs_sync_file+0x320/0x320 [ 33.226503] ? integrity_iint_find+0x123/0x150 [ 33.231087] ? ima_file_free+0xdd/0x460 [ 33.235154] ? reiserfs_sync_file+0x320/0x320 [ 33.239647] __fput+0x2ce/0x890 [ 33.242918] task_work_run+0x148/0x1c0 [ 33.247784] do_exit+0xbf3/0x2be0 [ 33.251224] ? lock_downgrade+0x720/0x720 [ 33.255356] ? mm_update_next_owner+0x650/0x650 [ 33.260104] ? up_read+0x17/0x110 [ 33.263887] ? __do_page_fault+0x180/0xd60 [ 33.268105] do_group_exit+0x125/0x310 [ 33.271974] __x64_sys_exit_group+0x3a/0x50 [ 33.276280] do_syscall_64+0xf9/0x620 [ 33.280079] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 33.285269] RIP: 0033:0x7f3e958c2419 [ 33.288975] Code: Bad RIP value. [ 33.292327] RSP: 002b:00007ffd28351398 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 33.300205] RAX: ffffffffffffffda RBX: 00007f3e95938330 RCX: 00007f3e958c2419 [ 33.307470] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 [ 33.314734] RBP: 0000000000000000 R08: ffffffffffffffc0 R09: 0000000000000000 [ 33.322006] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3e95938330 [ 33.329262] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 33.336731] Kernel Offset: disabled [ 33.340398] Rebooting in 86400 seconds..