[ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Starting Load/Save RF Kill Switch Status... [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.1.7' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 40.806953] audit: type=1400 audit(1601952030.723:8): avc: denied { execmem } for pid=6513 comm="syz-executor206" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 40.835911] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 40.849940] REISERFS (device loop0): using ordered data mode [ 40.857158] reiserfs: using flush barriers [ 40.865944] REISERFS (device loop0): journal params: device loop0, size 15748, journal first block 18, max trans len 1024, max batch 900, max commit age 30, max trans age 30 [ 40.885340] REISERFS (device loop0): checking transaction log (loop0) [ 42.561587] REISERFS (device loop0): Using tea hash to sort names [ 42.568370] ------------[ cut here ]------------ [ 42.573465] WARNING: CPU: 1 PID: 6514 at fs/inode.c:979 unlock_new_inode.cold+0x11/0x3f [ 42.581613] Kernel panic - not syncing: panic_on_warn set ... [ 42.581613] [ 42.588962] CPU: 1 PID: 6514 Comm: syz-executor206 Not tainted 4.19.149-syzkaller #0 [ 42.596841] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.606184] Call Trace: [ 42.608768] dump_stack+0x22c/0x33e [ 42.612383] panic+0x2ac/0x565 [ 42.615577] ? __warn_printk+0xf3/0xf3 [ 42.619468] ? unlock_new_inode.cold+0x11/0x3f [ 42.624045] ? __probe_kernel_read+0x130/0x1b0 [ 42.628610] ? __warn.cold+0x5/0x5a [ 42.632219] ? __warn+0xe4/0x200 [ 42.635571] ? unlock_new_inode.cold+0x11/0x3f [ 42.640137] __warn.cold+0x20/0x5a [ 42.643678] ? unlock_new_inode.cold+0x11/0x3f [ 42.648255] report_bug+0x262/0x2b0 [ 42.651880] do_error_trap+0x1e1/0x330 [ 42.656149] ? math_error+0x320/0x320 [ 42.659937] ? __irq_work_queue_local+0x155/0x200 [ 42.664766] ? irq_work_queue+0x29/0x80 [ 42.668739] ? error_entry+0x72/0xd0 [ 42.672438] ? trace_hardirqs_off_caller+0x6e/0x210 [ 42.677448] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 42.682277] invalid_op+0x14/0x20 [ 42.685730] RIP: 0010:unlock_new_inode.cold+0x11/0x3f [ 42.690900] Code: ee e8 21 d7 b4 ff 48 c7 c7 80 0f 16 88 e8 c4 52 9e ff 0f 0b e9 a7 76 ff ff e8 09 d7 b4 ff 48 c7 c7 80 0f 16 88 e8 ac 52 9e ff <0f> 0b b8 ff ff 37 00 4c 89 e2 48 c1 ea 03 48 c1 e0 2a 80 3c 02 00 [ 42.709789] RSP: 0018:ffff8880a47af600 EFLAGS: 00010282 [ 42.715146] RAX: 0000000000000024 RBX: ffff8880802e71a8 RCX: 0000000000000000 [ 42.722413] RDX: 0000000000000000 RSI: ffffffff815b623f RDI: ffffed10148f5eb2 [ 42.729662] RBP: 0000000000000000 R08: 0000000000000024 R09: 0000000000000000 [ 42.736927] R10: 0000000000000005 R11: 0000000000000000 R12: ffff8880802e7278 [ 42.744181] R13: ffff8880802e7230 R14: 0000000000000000 R15: 00000000fffffff4 [ 42.751496] ? vprintk_func+0x7f/0x224 [ 42.755377] reiserfs_new_inode+0x3b8/0x2150 [ 42.760088] ? find_held_lock+0x58/0x110 [ 42.764178] ? reiserfs_fh_to_parent+0x1b0/0x1b0 [ 42.768921] ? ww_mutex_unlock+0x2f0/0x2f0 [ 42.773165] ? do_journal_begin_r+0x298/0x10d0 [ 42.777764] ? ww_mutex_unlock+0x2f0/0x2f0 [ 42.782007] ? __mutex_unlock_slowpath+0xea/0x660 [ 42.786834] ? __mutex_add_waiter+0x160/0x160 [ 42.791329] ? __mutex_add_waiter+0x160/0x160 [ 42.795825] ? do_journal_begin_r+0xd24/0x10d0 [ 42.800400] ? security_old_inode_init_security+0xf4/0x130 [ 42.806013] reiserfs_mkdir+0x4ad/0x980 [ 42.809992] ? reiserfs_mknod+0x700/0x700 [ 42.814144] reiserfs_xattr_init+0x406/0xae0 [ 42.818536] reiserfs_fill_super+0x222a/0x2e60 [ 42.823102] ? reiserfs_remount+0x1640/0x1640 [ 42.827592] ? lock_downgrade+0x750/0x750 [ 42.831731] ? snprintf+0xbb/0xf0 [ 42.835171] ? __mutex_add_waiter+0x160/0x160 [ 42.839653] mount_bdev+0x2fc/0x3b0 [ 42.843263] ? reiserfs_remount+0x1640/0x1640 [ 42.847762] mount_fs+0xa3/0x318 [ 42.851136] vfs_kern_mount.part.0+0x68/0x470 [ 42.855636] do_mount+0x51c/0x2f10 [ 42.859595] ? __do_page_fault+0x1ca/0xe00 [ 42.863811] ? copy_mount_string+0x40/0x40 [ 42.868029] ? copy_mount_options+0x1c3/0x370 [ 42.872504] ? copy_mount_options+0x1d0/0x370 [ 42.876989] ? memset+0x20/0x40 [ 42.880251] ? copy_mount_options+0x261/0x370 [ 42.884742] ksys_mount+0xcf/0x130 [ 42.888270] __x64_sys_mount+0xba/0x150 [ 42.892239] ? lockdep_hardirqs_on+0x3c1/0x5e0 [ 42.896825] do_syscall_64+0xf9/0x670 [ 42.900614] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 42.905800] RIP: 0033:0x447dba [ 42.908975] Code: b8 08 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 7d a3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 5a a3 fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 42.927869] RSP: 002b:00007fff7b9e95d8 EFLAGS: 00000297 ORIG_RAX: 00000000000000a5 [ 42.936438] RAX: ffffffffffffffda RBX: 00007fff7b9e9630 RCX: 0000000000447dba [ 42.943688] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fff7b9e95f0 [ 42.950939] RBP: 00007fff7b9e95f0 R08: 00007fff7b9e9630 R09: 0000000000000000 [ 42.958188] R10: 0000000000000000 R11: 0000000000000297 R12: 0000000000000007 [ 42.965443] R13: 0000000000000004 R14: 0000000000000003 R15: 0000000000000003 [ 42.973909] Kernel Offset: disabled [ 42.977633] Rebooting in 86400 seconds..