INIT: Entering runlevel: 2 [info] Using makefile-style concurrent boot in runlevel 2. [....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.13' (ECDSA) to the list of known hosts. 2018/04/03 00:40:31 parsed 1 programs 2018/04/03 00:40:31 executed programs: 0 syzkaller login: [ 49.968231] IPVS: ftp: loaded support on port[0] = 21 [ 50.010590] IPVS: ftp: loaded support on port[0] = 21 [ 50.042867] IPVS: ftp: loaded support on port[0] = 21 [ 50.050333] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 50.063836] REISERFS (device loop0): using ordered data mode [ 50.069756] reiserfs: using flush barriers [ 50.074948] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 50.076159] REISERFS warning (device loop0): sh-460 journal_init: journal header magic 0 (device loop0) does not match to magic found in super block 4c3955ba [ 50.096148] REISERFS (device loop4): using ordered data mode [ 50.099202] REISERFS warning (device loop0): sh-2022 reiserfs_fill_super: unable to initialize journal space [ 50.103588] reiserfs: using flush barriers [ 50.106854] IPVS: ftp: loaded support on port[0] = 21 [ 50.117186] REISERFS warning (device loop4): sh-460 journal_init: journal header magic 0 (device loop4) does not match to magic found in super block 4c3955ba [ 50.132511] REISERFS (device loop7): found reiserfs format "3.6" with non-standard journal [ 50.147498] REISERFS warning (device loop4): sh-2022 reiserfs_fill_super: unable to initialize journal space [ 50.177401] REISERFS (device loop7): using ordered data mode [ 50.183393] reiserfs: using flush barriers [ 50.214708] IPVS: ftp: loaded support on port[0] = 21 [ 50.239747] REISERFS warning (device loop7): sh-460 journal_init: journal header magic 0 (device loop7) does not match to magic found in super block 4c3955ba [ 50.265524] REISERFS warning (device loop7): sh-2022 reiserfs_fill_super: unable to initialize journal space [ 50.283928] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 50.303149] REISERFS (device loop5): using ordered data mode [ 50.309053] reiserfs: using flush barriers [ 50.317177] IPVS: ftp: loaded support on port[0] = 21 [ 50.330672] REISERFS warning (device loop5): sh-460 journal_init: journal header magic 0 (device loop5) does not match to magic found in super block 4c3955ba [ 50.392795] REISERFS (device loop6): found reiserfs format "3.6" with non-standard journal [ 50.403330] REISERFS warning (device loop5): sh-2022 reiserfs_fill_super: unable to initialize journal space [ 50.417707] IPVS: ftp: loaded support on port[0] = 21 [ 50.454273] REISERFS (device loop6): using ordered data mode [ 50.460164] reiserfs: using flush barriers [ 50.465264] REISERFS (device loop3): found reiserfs format "3.6" with non-standard journal [ 50.492533] REISERFS (device loop3): using ordered data mode [ 50.498466] reiserfs: using flush barriers [ 50.506528] IPVS: ftp: loaded support on port[0] = 21 [ 50.517108] REISERFS warning (device loop6): sh-460 journal_init: journal header magic 0 (device loop6) does not match to magic found in super block 4c3955ba [ 50.555220] REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal [ 50.556853] REISERFS warning (device loop3): sh-460 journal_init: journal header magic 0 (device loop3) does not match to magic found in super block 4c3955ba [ 50.587337] REISERFS warning (device loop6): sh-2022 reiserfs_fill_super: unable to initialize journal space [ 50.603129] REISERFS (device loop2): using ordered data mode [ 50.609036] reiserfs: using flush barriers [ 50.631343] REISERFS warning (device loop2): sh-460 journal_init: journal header magic 0 (device loop2) does not match to magic found in super block 4c3955ba [ 50.653602] REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal [ 50.666341] REISERFS warning (device loop2): sh-2022 reiserfs_fill_super: unable to initialize journal space [ 50.676932] REISERFS warning (device loop3): sh-2022 reiserfs_fill_super: unable to initialize journal space [ 50.683127] REISERFS (device loop1): using ordered data mode [ 50.692793] reiserfs: using flush barriers [ 50.776152] REISERFS warning (device loop1): sh-460 journal_init: journal header magic 0 (device loop1) does not match to magic found in super block 4c3955ba [ 50.839143] REISERFS warning (device loop1): sh-2022 reiserfs_fill_super: unable to initialize journal space [ 51.013819] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 51.031714] REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal [ 51.086112] REISERFS (device loop0): using ordered data mode [ 51.092026] reiserfs: using flush barriers [ 51.099434] REISERFS (device loop7): found reiserfs format "3.6" with non-standard journal [ 51.100122] REISERFS (device loop4): using ordered data mode [ 51.113846] reiserfs: using flush barriers [ 51.151496] REISERFS (device loop7): using ordered data mode [ 51.157389] reiserfs: using flush barriers [ 51.165356] REISERFS warning (device loop0): sh-460 journal_init: journal header magic 0 (device loop0) does not match to magic found in super block 4c3955ba [ 51.202521] REISERFS warning (device loop4): sh-460 journal_init: journal header magic 0 (device loop4) does not match to magic found in super block 4c3955ba [ 51.217293] REISERFS warning (device loop7): sh-460 journal_init: journal header magic 0 (device loop7) does not match to magic found in super block 4c3955ba [ 51.232610] REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal [ 51.240612] REISERFS warning (device loop0): sh-2022 reiserfs_fill_super: unable to initialize journal space [ 51.278879] REISERFS (device loop5): using ordered data mode [ 51.284779] reiserfs: using flush barriers [ 51.296224] BUG: unable to handle kernel paging request at ffffc9000211b000 [ 51.303369] IP: cleanup_bitmap_list.isra.7.part.8+0x3dd/0x6b0 [ 51.309228] PGD 1dad42067 P4D 1dad42067 PUD 1dad43067 PMD 1ad0d9067 PTE 0 [ 51.316137] Oops: 0000 [#1] SMP KASAN [ 51.319910] Dumping ftrace buffer: [ 51.323420] (ftrace buffer empty) [ 51.327102] Modules linked in: [ 51.330277] CPU: 1 PID: 4565 Comm: syz-executor7 Not tainted 4.16.0+ #11 [ 51.337087] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.346419] RIP: 0010:cleanup_bitmap_list.isra.7.part.8+0x3dd/0x6b0 [ 51.352793] RSP: 0018:ffff8801b49ff0e8 EFLAGS: 00010246 [ 51.358129] RAX: 0000000000001000 RBX: dffffc0000000000 RCX: ffffc900021162c0 [ 51.365372] RDX: 1ffff92000423600 RSI: 0000000000008000 RDI: 0000000000000001 [ 51.372615] RBP: ffff8801b49ff1c0 R08: 1ffff1003693fdf3 R09: 0000000000000000 [ 51.379862] R10: 0000000000000000 R11: 0000000000000000 R12: ffffc9000211b000 [ 51.387108] R13: 0000000000000200 R14: ffff8801cc43e000 R15: ffff8801ac7e0a80 [ 51.394356] FS: 00007f90aea6b700(0000) GS:ffff8801db100000(0000) knlGS:0000000000000000 [ 51.402562] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.408420] CR2: ffffc9000211b000 CR3: 00000001b4b3f003 CR4: 00000000001606e0 [ 51.415670] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 51.422916] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 51.430160] Call Trace: [ 51.432725] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 51.437714] ? trace_hardirqs_on+0xd/0x10 [ 51.441852] ? journal_transaction_is_valid+0xbc0/0xbc0 [ 51.447201] ? __vunmap+0x252/0x380 [ 51.450833] free_list_bitmaps+0x6f/0xf0 [ 51.454889] free_journal_ram+0x148/0x5a0 [ 51.459027] ? kasan_check_write+0x14/0x20 [ 51.463250] ? __brelse+0xfe/0x170 [ 51.466780] ? free_list_bitmaps+0xf0/0xf0 [ 51.471001] ? __might_sleep+0x95/0x190 [ 51.474960] journal_init+0x2320/0x6320 [ 51.478920] ? wake_up_klogd+0xc3/0x100 [ 51.482884] ? is_console_locked+0x20/0x20 [ 51.487103] ? console_unlock+0x5f5/0xfb0 [ 51.491240] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 51.496246] ? journal_release_error+0xa0/0xa0 [ 51.500814] ? wake_up_klogd+0x100/0x100 [ 51.504863] ? __down_trylock_console_sem+0xb9/0x1e0 [ 51.509952] ? vprintk_emit+0x5b5/0xb90 [ 51.513910] ? vprintk_emit+0x5b5/0xb90 [ 51.517871] ? __down_trylock_console_sem+0x10d/0x1e0 [ 51.523048] ? vprintk_emit+0x4b5/0xb90 [ 51.527012] ? kasan_check_write+0x14/0x20 [ 51.531231] ? console_unlock+0xfb0/0xfb0 [ 51.535367] ? _raw_spin_unlock+0x22/0x30 [ 51.539501] ? vprintk_func+0x5e/0xc0 [ 51.543285] ? printk+0xaa/0xca [ 51.546549] ? show_regs_print_info+0x18/0x18 [ 51.551034] ? vprintk_default+0x28/0x30 [ 51.555080] ? vprintk_func+0x5e/0xc0 [ 51.558877] ? printk+0xaa/0xca [ 51.562143] ? show_regs_print_info+0x18/0x18 [ 51.566629] ? memset+0x31/0x40 [ 51.569898] ? reiserfs_fill_super+0x32c4/0x33a0 [ 51.574647] reiserfs_fill_super+0xf9f/0x33a0 [ 51.579132] ? finish_unfinished+0x1460/0x1460 [ 51.583700] ? netdev_bits+0xa0/0xa0 [ 51.587400] ? ns_test_super+0x50/0x50 [ 51.591282] ? format_decode+0x10a/0x830 [ 51.595329] ? vsnprintf+0x1ed/0x1900 [ 51.599122] ? pointer+0x9c0/0x9c0 [ 51.602653] ? cap_capable+0x1b5/0x230 [ 51.606526] ? snprintf+0xc0/0xf0 [ 51.609966] ? vsprintf+0x40/0x40 [ 51.613413] ? ns_capable_common+0xcf/0x160 [ 51.617720] ? set_blocksize+0x1f1/0x260 [ 51.621774] mount_bdev+0x2b7/0x370 [ 51.625384] ? finish_unfinished+0x1460/0x1460 [ 51.629959] get_super_block+0x34/0x40 [ 51.633836] mount_fs+0x66/0x2d0 [ 51.637191] vfs_kern_mount.part.26+0xc6/0x4a0 [ 51.641764] ? may_umount+0xa0/0xa0 [ 51.645372] ? _raw_read_unlock+0x22/0x30 [ 51.649505] ? __get_fs_type+0x8a/0xc0 [ 51.653378] do_mount+0xea4/0x2bb0 [ 51.656904] ? copy_mount_string+0x40/0x40 [ 51.661123] ? rcu_pm_notify+0xc0/0xc0 [ 51.664995] ? copy_mount_options+0x5f/0x2e0 [ 51.669385] ? rcu_read_lock_sched_held+0x108/0x120 [ 51.674383] ? kmem_cache_alloc_trace+0x459/0x740 [ 51.679209] ? kasan_check_write+0x14/0x20 [ 51.683429] ? _copy_from_user+0x99/0x110 [ 51.687568] ? copy_mount_options+0x1f7/0x2e0 [ 51.692047] SyS_mount+0xab/0x120 [ 51.695488] ? copy_mnt_ns+0xb40/0xb40 [ 51.699361] do_syscall_64+0x281/0x940 [ 51.703235] ? vmalloc_sync_all+0x30/0x30 [ 51.707366] ? _raw_spin_unlock_irq+0x27/0x70 [ 51.711933] ? finish_task_switch+0x1c1/0x810 [ 51.716412] ? syscall_return_slowpath+0x550/0x550 [ 51.721857] ? syscall_return_slowpath+0x2ac/0x550 RESULT: signal 0, coverage 0 errno 22 RESULT: signal 0, coverage 0 errno 22 [ 51.726773] ? prepare_exit_to_usermode+0x350/0x350 [ 51.731771] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 51.737118] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 51.741945] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 51.747120] RIP: 0033:0x457d0a [ 51.750291] RSP: 002b:00007f90aea6abb8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 51.757986] RAX: ffffffffffffffda RBX: 0000000020000000 RCX: 0000000000457d0a [ 51.765239] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f90aea6ac00 [ 51.772491] RBP: 0000000000000004 R08: 0000000020011500 R09: 0000000020000000 [ 51.779743] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000007 [ 51.786982] R13: 000000000000066d R14: 00000000006fcad8 R15: 0000000000000001 [ 51.794223] Code: ff ff 4d 63 e5 4a 8d 04 e5 00 00 00 00 4c 8b 21 48 89 85 68 ff ff ff 49 01 c4 4c 89 e2 48 c1 ea 03 80 3c 1a 00 0f 85 76 02 00 00 <4d> 8b 24 24 4d 85 e4 0f 84 e5 fe ff ff e8 21 15 8c ff 49 8d 7e [ 51.813297] RIP: cleanup_bitmap_list.isra.7.part.8+0x3dd/0x6b0 RSP: ffff8801b49ff0e8 [ 51.821143] CR2: ffffc9000211b000 [ 51.824568] ---[ end trace 124552ca65c52699 ]--- [ 51.829290] Kernel panic - not syncing: Fatal exception [ 51.835130] Dumping ftrace buffer: [ 51.838655] (ftrace buffer empty) [ 51.842335] Kernel Offset: disabled [ 51.845930] Rebooting in 86400 seconds..