[ OK ] Started Getty on tty2. [ OK ] Started Serial Getty on ttyS0. [ OK ] Started Getty on tty1. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ 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 '10.128.0.98' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 40.934380] audit: type=1400 audit(1602635106.927:8): avc: denied { execmem } for pid=6478 comm="syz-executor694" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 40.967195] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 40.976068] REISERFS (device loop0): using ordered data mode [ 40.981871] reiserfs: using flush barriers [ 40.988392] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 0, max trans age 30 [ 41.005167] REISERFS (device loop0): checking transaction log (loop0) [ 41.069726] REISERFS warning (device loop0): vs-13075 reiserfs_read_locked_inode: dead inode read from disk [1 2 0x0 SD]. This is likely to be race with knfsd. Ignore [ 41.085470] REISERFS (device loop0): Using r5 hash to sort names [ 41.093919] REISERFS (device loop0): using 3.5.x disk format [ 41.163462] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 41.172366] REISERFS (device loop0): using ordered data mode [ 41.178816] reiserfs: using flush barriers [ 41.184110] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 0, max trans age 30 [ 41.205988] REISERFS (device loop0): checking transaction log (loop0) [ 41.268378] REISERFS warning (device loop0): vs-13075 reiserfs_read_locked_inode: dead inode read from disk [1 2 0x0 SD]. This is likely to be race with knfsd. Ignore [ 41.284977] REISERFS (device loop0): Using r5 hash to sort names [ 41.295545] REISERFS (device loop0): using 3.5.x disk format executing program [ 41.359543] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 41.375455] REISERFS (device loop0): using ordered data mode [ 41.381697] reiserfs: using flush barriers [ 41.389851] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 0, max trans age 30 [ 41.406631] REISERFS (device loop0): checking transaction log (loop0) [ 41.468346] REISERFS warning (device loop0): vs-13075 reiserfs_read_locked_inode: dead inode read from disk [1 2 0x0 SD]. This is likely to be race with knfsd. Ignore [ 41.484451] REISERFS (device loop0): Using r5 hash to sort names [ 41.491139] REISERFS (device loop0): using 3.5.x disk format [ 41.556119] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 41.565266] REISERFS (device loop0): using ordered data mode [ 41.571594] reiserfs: using flush barriers [ 41.579167] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 0, max trans age 30 [ 41.596324] REISERFS (device loop0): checking transaction log (loop0) [ 41.659390] REISERFS warning (device loop0): vs-13075 reiserfs_read_locked_inode: dead inode read from disk [1 2 0x0 SD]. This is likely to be race with knfsd. Ignore [ 41.675981] REISERFS (device loop0): Using r5 hash to sort names [ 41.682220] REISERFS (device loop0): using 3.5.x disk format executing program [ 41.757893] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 41.766680] REISERFS (device loop0): using ordered data mode [ 41.772553] reiserfs: using flush barriers [ 41.779698] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 0, max trans age 30 [ 41.795755] REISERFS (device loop0): checking transaction log (loop0) [ 41.858871] REISERFS warning (device loop0): vs-13075 reiserfs_read_locked_inode: dead inode read from disk [1 2 0x0 SD]. This is likely to be race with knfsd. Ignore [ 41.874525] REISERFS (device loop0): Using r5 hash to sort names [ 41.881205] REISERFS (device loop0): using 3.5.x disk format [ 41.945904] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 41.954477] REISERFS (device loop0): using ordered data mode [ 41.965773] reiserfs: using flush barriers [ 41.977247] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 0, max trans age 30 [ 41.994548] REISERFS (device loop0): checking transaction log (loop0) [ 42.062789] REISERFS warning (device loop0): vs-13075 reiserfs_read_locked_inode: dead inode read from disk [1 2 0x0 SD]. This is likely to be race with knfsd. Ignore [ 42.078791] REISERFS (device loop0): Using r5 hash to sort names [ 42.085473] REISERFS (device loop0): using 3.5.x disk format executing program [ 42.245398] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 42.253946] REISERFS (device loop0): using ordered data mode [ 42.261032] reiserfs: using flush barriers [ 42.266970] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 0, max trans age 30 [ 42.283322] REISERFS (device loop0): checking transaction log (loop0) [ 42.350582] REISERFS warning (device loop0): vs-13075 reiserfs_read_locked_inode: dead inode read from disk [1 2 0x0 SD]. This is likely to be race with knfsd. Ignore [ 42.367161] REISERFS (device loop0): Using r5 hash to sort names [ 42.373308] REISERFS (device loop0): using 3.5.x disk format [ 42.429310] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 42.437950] REISERFS (device loop0): using ordered data mode [ 42.444246] reiserfs: using flush barriers [ 42.450045] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 0, max trans age 30 [ 42.466787] REISERFS (device loop0): checking transaction log (loop0) [ 42.537674] REISERFS warning (device loop0): vs-13075 reiserfs_read_locked_inode: dead inode read from disk [1 2 0x0 SD]. This is likely to be race with knfsd. Ignore [ 42.553024] REISERFS (device loop0): Using r5 hash to sort names [ 42.559299] REISERFS (device loop0): using 3.5.x disk format executing program [ 42.657889] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 42.667374] REISERFS (device loop0): using ordered data mode [ 42.674156] reiserfs: using flush barriers [ 42.680082] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 0, max trans age 30 [ 42.695954] REISERFS (device loop0): checking transaction log (loop0) [ 42.765345] REISERFS warning (device loop0): vs-13075 reiserfs_read_locked_inode: dead inode read from disk [1 2 0x0 SD]. This is likely to be race with knfsd. Ignore [ 42.781643] REISERFS (device loop0): Using r5 hash to sort names [ 42.787915] REISERFS (device loop0): using 3.5.x disk format [ 42.838854] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 42.848404] REISERFS (device loop0): using ordered data mode [ 42.854968] reiserfs: using flush barriers [ 42.861838] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 0, max trans age 30 [ 42.879145] REISERFS (device loop0): checking transaction log (loop0) [ 42.946439] REISERFS warning (device loop0): vs-13075 reiserfs_read_locked_inode: dead inode read from disk [1 2 0x0 SD]. This is likely to be race with knfsd. Ignore [ 42.961910] REISERFS (device loop0): Using r5 hash to sort names [ 42.968376] REISERFS (device loop0): using 3.5.x disk format executing program [ 43.042628] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 43.051593] REISERFS (device loop0): using ordered data mode [ 43.059286] reiserfs: using flush barriers [ 43.065237] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 0, max trans age 30 [ 43.081012] REISERFS (device loop0): checking transaction log (loop0) [ 43.145140] REISERFS warning (device loop0): vs-13075 reiserfs_read_locked_inode: dead inode read from disk [1 2 0x0 SD]. This is likely to be race with knfsd. Ignore [ 43.164501] REISERFS (device loop0): Using r5 hash to sort names [ 43.171009] REISERFS (device loop0): using 3.5.x disk format [ 43.237281] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 43.252998] REISERFS (device loop0): using ordered data mode [ 43.260210] reiserfs: using flush barriers [ 43.266272] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 0, max trans age 30 [ 43.284563] REISERFS (device loop0): checking transaction log (loop0) [ 43.349906] REISERFS warning (device loop0): vs-13075 reiserfs_read_locked_inode: dead inode read from disk [1 2 0x0 SD]. This is likely to be race with knfsd. Ignore [ 43.366284] REISERFS (device loop0): Using r5 hash to sort names [ 43.372436] REISERFS (device loop0): using 3.5.x disk format executing program [ 43.517165] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 43.525944] REISERFS (device loop0): using ordered data mode [ 43.532058] reiserfs: using flush barriers [ 43.539460] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 0, max trans age 30 [ 43.556244] REISERFS (device loop0): checking transaction log (loop0) [ 43.619025] REISERFS warning (device loop0): vs-13075 reiserfs_read_locked_inode: dead inode read from disk [1 2 0x0 SD]. This is likely to be race with knfsd. Ignore [ 43.634361] REISERFS (device loop0): Using r5 hash to sort names [ 43.640703] REISERFS (device loop0): using 3.5.x disk format [ 43.725782] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 43.737197] REISERFS (device loop0): using ordered data mode [ 43.743200] reiserfs: using flush barriers [ 43.750686] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 0, max trans age 30 [ 43.766700] REISERFS (device loop0): checking transaction log (loop0) [ 43.830806] REISERFS warning (device loop0): vs-13075 reiserfs_read_locked_inode: dead inode read from disk [1 2 0x0 SD]. This is likely to be race with knfsd. Ignore [ 43.845977] REISERFS (device loop0): Using r5 hash to sort names [ 43.852218] REISERFS (device loop0): using 3.5.x disk format [ 43.858257] ------------[ cut here ]------------ [ 43.863101] kernel BUG at fs/reiserfs/journal.c:3643! [ 43.868592] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 43.873956] CPU: 0 PID: 6570 Comm: syz-executor694 Not tainted 4.19.150-syzkaller #0 [ 43.881818] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.891166] RIP: 0010:do_journal_end+0x3724/0x48c0 [ 43.896083] Code: 82 e9 84 ff 0f 0b 48 c7 c7 e0 b4 9f 89 e8 44 33 c9 01 e8 6f e9 84 ff 0f 0b 48 c7 c7 a0 b4 9f 89 e8 31 33 c9 01 e8 5c e9 84 ff <0f> 0b 48 c7 c7 60 b4 9f 89 e8 1e 33 c9 01 e8 49 e9 84 ff 0f 0b 48 [ 43.914972] RSP: 0018:ffff888087917990 EFLAGS: 00010293 [ 43.920328] RAX: ffff888086ebc480 RBX: ffffc90005e08000 RCX: ffffffff81ecb803 [ 43.927674] RDX: 0000000000000000 RSI: ffffffff81ece904 RDI: 0000000000000007 [ 43.934923] RBP: ffff888090748200 R08: 0000000000000001 R09: 0000000000000000 [ 43.942172] R10: 0000000000000007 R11: 0000000000000002 R12: 0000000000000000 [ 43.949434] R13: ffffc90005e08058 R14: ffff888087917bd0 R15: 0000000000000000 [ 43.956698] FS: 00007fdbf395a700(0000) GS:ffff8880ae200000(0000) knlGS:0000000000000000 [ 43.964902] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.970759] CR2: 000055ec2320dff7 CR3: 000000009258b000 CR4: 00000000001406f0 [ 43.978021] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 43.985268] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 43.992512] Call Trace: [ 43.995109] ? reiserfs_info.cold+0x1d/0x7c [ 43.999410] ? __reiserfs_warning+0xc0/0xc0 [ 44.003730] journal_end+0x277/0x310 [ 44.007426] reiserfs_fill_super+0x21be/0x2e60 [ 44.012010] ? reiserfs_remount+0x1640/0x1640 [ 44.016498] ? lock_downgrade+0x750/0x750 [ 44.020650] ? snprintf+0xbb/0xf0 [ 44.024098] ? __mutex_add_waiter+0x160/0x160 [ 44.028578] mount_bdev+0x2fc/0x3b0 [ 44.032188] ? reiserfs_remount+0x1640/0x1640 [ 44.036665] mount_fs+0xa3/0x318 [ 44.040032] vfs_kern_mount.part.0+0x68/0x470 [ 44.044509] do_mount+0x51c/0x2f10 [ 44.048041] ? check_preemption_disabled+0x41/0x2b0 [ 44.053089] ? copy_mount_string+0x40/0x40 [ 44.057346] ? kmem_cache_alloc_trace+0x379/0x4b0 [ 44.062174] ? _copy_from_user+0xd2/0x130 [ 44.066302] ? copy_mount_options+0x261/0x370 [ 44.070786] ksys_mount+0xcf/0x130 [ 44.074321] __x64_sys_mount+0xba/0x150 [ 44.078291] ? lockdep_hardirqs_on+0x3c1/0x5e0 [ 44.082855] do_syscall_64+0xf9/0x670 [ 44.086648] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 44.091831] RIP: 0033:0x44d43a [ 44.095015] Code: b8 08 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 5d a1 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 3a a1 fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 44.113907] RSP: 002b:00007fdbf3959bf8 EFLAGS: 00000297 ORIG_RAX: 00000000000000a5 [ 44.121591] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 000000000044d43a [ 44.128857] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fdbf3959c10 [ 44.136118] RBP: 00007fdbf3959c10 R08: 00007fdbf3959c50 R09: 0000000000000000 [ 44.143379] R10: 0000000000000000 R11: 0000000000000297 R12: 0000000000000004 [ 44.150637] R13: 00007fdbf3959c50 R14: 00007fdbf395a6d0 R15: 0000000000000003 [ 44.157896] Modules linked in: [ 44.162031] ---[ end trace 764fd8eee5692b76 ]--- [ 44.166847] RIP: 0010:do_journal_end+0x3724/0x48c0 [ 44.171779] Code: 82 e9 84 ff 0f 0b 48 c7 c7 e0 b4 9f 89 e8 44 33 c9 01 e8 6f e9 84 ff 0f 0b 48 c7 c7 a0 b4 9f 89 e8 31 33 c9 01 e8 5c e9 84 ff <0f> 0b 48 c7 c7 60 b4 9f 89 e8 1e 33 c9 01 e8 49 e9 84 ff 0f 0b 48 [ 44.190752] RSP: 0018:ffff888087917990 EFLAGS: 00010293 [ 44.196188] RAX: ffff888086ebc480 RBX: ffffc90005e08000 RCX: ffffffff81ecb803 [ 44.203460] RDX: 0000000000000000 RSI: ffffffff81ece904 RDI: 0000000000000007 [ 44.210773] RBP: ffff888090748200 R08: 0000000000000001 R09: 0000000000000000 [ 44.218135] R10: 0000000000000007 R11: 0000000000000002 R12: 0000000000000000 [ 44.225464] R13: ffffc90005e08058 R14: ffff888087917bd0 R15: 0000000000000000 [ 44.232744] FS: 00007fdbf395a700(0000) GS:ffff8880ae200000(0000) knlGS:0000000000000000 [ 44.241017] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.246944] CR2: 000055ec2320dff7 CR3: 000000009258b000 CR4: 00000000001406f0 [ 44.254248] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 44.261537] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 44.268858] Kernel panic - not syncing: Fatal exception [ 44.275409] Kernel Offset: disabled [ 44.279024] Rebooting in 86400 seconds..