[ 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 '10.128.0.131' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 566.338476] ERROR: (device loop0): txAbort: [ 566.338476] [ 566.353315] ====================================================== [ 566.353315] WARNING: the mand mount option is being deprecated and [ 566.353315] will be removed in v5.15! [ 566.353315] ====================================================== [ 566.377753] BUG: Bad page state in process syz-executor224 pfn:ab463 [ 566.384783] page:ffffea0002ad18c0 count:0 mapcount:0 mapping:0000000000000000 index:0x2f [ 566.394518] flags: 0xfff0000000100c(referenced|uptodate|private) [ 566.401534] raw: 00fff0000000100c ffffea0002afe148 ffffea0002700708 0000000000000000 [ 566.411404] raw: 000000000000002f ffff8880b49903c0 00000000ffffffff 0000000000000000 [ 566.420006] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 566.427435] bad because of flags: 0x1000(private) [ 566.432270] Modules linked in: [ 566.435472] CPU: 1 PID: 8151 Comm: syz-executor224 Not tainted 4.19.211-syzkaller #0 [ 566.443344] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 566.452689] Call Trace: [ 566.455278] dump_stack+0x1fc/0x2ef [ 566.458906] bad_page.cold+0xdb/0x100 [ 566.462687] ? split_page+0x200/0x200 [ 566.466470] free_unref_page_prepare+0x483/0x5d0 [ 566.471209] free_unref_page_list+0xd8/0x7b0 [ 566.475617] release_pages+0xb0d/0x15a0 [ 566.479594] ? __put_compound_page+0xc0/0xc0 [ 566.483987] ? lru_deactivate_file_fn+0x1640/0x1640 [ 566.488987] __pagevec_release+0x7b/0x150 [ 566.493380] truncate_inode_pages_range+0x8bb/0x1b00 [ 566.498483] ? truncate_inode_page+0xc0/0xc0 [ 566.502875] ? mark_held_locks+0xf0/0xf0 [ 566.506919] ? debug_object_init_on_stack+0x20/0x20 [ 566.511924] ? parse_options+0xb0d/0xe70 [ 566.515969] ? lock_downgrade+0x720/0x720 [ 566.520095] ? lock_acquire+0x170/0x3c0 [ 566.524049] ? lockref_put_or_lock+0x14/0x80 [ 566.528441] ? _raw_spin_unlock+0x29/0x40 [ 566.532571] ? lockref_put_or_lock+0x6a/0x80 [ 566.536962] ? shrink_dentry_list+0x2d9/0x6e0 [ 566.541441] jfs_remount+0x4bd/0x640 [ 566.545138] ? jfs_fill_super+0xb50/0xb50 [ 566.549265] ? vprintk_emit+0x1d0/0x740 [ 566.553225] do_remount_sb+0x1a0/0x6a0 [ 566.557094] ? jfs_fill_super+0xb50/0xb50 [ 566.561328] ? user_get_super+0x240/0x240 [ 566.565463] ? security_capable+0x8f/0xc0 [ 566.569600] do_mount+0x1a62/0x2f50 [ 566.573214] ? copy_mount_string+0x40/0x40 [ 566.577433] ? mntput_no_expire+0x119/0xa30 [ 566.581735] ? mntput+0x67/0x90 [ 566.584995] ? do_mkdirat+0x1d2/0x2d0 [ 566.588782] ? copy_mount_options+0x26f/0x380 [ 566.593258] ksys_mount+0xcf/0x130 [ 566.596788] __x64_sys_mount+0xba/0x150 [ 566.600743] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 566.605307] do_syscall_64+0xf9/0x620 [ 566.609089] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 566.614254] RIP: 0033:0x7f7d05f85449 [ 566.617948] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 566.636828] RSP: 002b:00007ffe0cc4bea8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 566.644512] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7d05f85449 [ 566.651760] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000000 [ 566.659008] RBP: 0000000000000001 R08: 0000000000000000 R09: 001800000000000c [ 566.666266] R10: 0000000000000060 R11: 0000000000000246 R12: 00000000f8008000 [ 566.673528] R13: 0000000000000000 R14: 0000000a00030083 R15: 0000000000000000 [ 566.685982] Disabling lock debugging due to kernel taint [ 566.691435] BUG: Bad page state in process syz-executor224 pfn:abf85 [ 566.698215] page:ffffea0002afe140 count:0 mapcount:0 mapping:0000000000000000 index:0x2e [ 566.706488] flags: 0xfff0000000100c(referenced|uptodate|private) [ 566.712620] raw: 00fff0000000100c ffffea0002a455c8 ffffea0002700708 0000000000000000 [ 566.720996] raw: 000000000000002e ffff8880b49904b0 00000000ffffffff 0000000000000000 [ 566.728924] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 566.735491] bad because of flags: 0x1000(private) [ 566.741262] Modules linked in: [ 566.744446] CPU: 0 PID: 8151 Comm: syz-executor224 Tainted: G B 4.19.211-syzkaller #0 [ 566.753686] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 566.763023] Call Trace: [ 566.765591] dump_stack+0x1fc/0x2ef [ 566.769203] bad_page.cold+0xdb/0x100 [ 566.772979] ? split_page+0x200/0x200 [ 566.776760] free_unref_page_prepare+0x483/0x5d0 [ 566.781492] free_unref_page_list+0xd8/0x7b0 [ 566.785877] release_pages+0xb0d/0x15a0 [ 566.789827] ? __put_compound_page+0xc0/0xc0 [ 566.794212] ? lru_deactivate_file_fn+0x1640/0x1640 [ 566.799204] __pagevec_release+0x7b/0x150 [ 566.803328] truncate_inode_pages_range+0x8bb/0x1b00 [ 566.808409] ? truncate_inode_page+0xc0/0xc0 [ 566.812792] ? mark_held_locks+0xf0/0xf0 [ 566.816832] ? debug_object_init_on_stack+0x20/0x20 [ 566.821827] ? parse_options+0xb0d/0xe70 [ 566.825863] ? lock_downgrade+0x720/0x720 [ 566.829984] ? lock_acquire+0x170/0x3c0 [ 566.833938] ? lockref_put_or_lock+0x14/0x80 [ 566.838324] ? _raw_spin_unlock+0x29/0x40 [ 566.842448] ? lockref_put_or_lock+0x6a/0x80 [ 566.846834] ? shrink_dentry_list+0x2d9/0x6e0 [ 566.851309] jfs_remount+0x4bd/0x640 [ 566.855000] ? jfs_fill_super+0xb50/0xb50 [ 566.859126] ? vprintk_emit+0x1d0/0x740 [ 566.863077] do_remount_sb+0x1a0/0x6a0 [ 566.866944] ? jfs_fill_super+0xb50/0xb50 [ 566.871067] ? user_get_super+0x240/0x240 [ 566.875193] ? security_capable+0x8f/0xc0 [ 566.879318] do_mount+0x1a62/0x2f50 [ 566.882926] ? copy_mount_string+0x40/0x40 [ 566.887138] ? mntput_no_expire+0x119/0xa30 [ 566.891436] ? mntput+0x67/0x90 [ 566.894691] ? do_mkdirat+0x1d2/0x2d0 [ 566.898476] ? copy_mount_options+0x26f/0x380 [ 566.902949] ksys_mount+0xcf/0x130 [ 566.906465] __x64_sys_mount+0xba/0x150 [ 566.910416] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 566.914974] do_syscall_64+0xf9/0x620 [ 566.918753] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 566.923921] RIP: 0033:0x7f7d05f85449 [ 566.927614] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 566.946489] RSP: 002b:00007ffe0cc4bea8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 566.954187] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7d05f85449 [ 566.961430] RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000000 [ 566.968675] RBP: 0000000000000001 R08: 0000000000000000 R09: 001800000000000c [ 566.975929] R10: 0000000000000060 R11: 0000000000000246 R12: 00000000f8008000 [ 566.983174] R13: 0000000000000000 R14: 0000000a00030083 R15: 0000000000000000 [ 566.990621] BUG: Bad page state in process syz-executor224 pfn:a9157 [ 566.997219] page:ffffea0002a455c0 count:0 mapcount:0 mapping:0000000000000000 index:0x2d [ 567.005440] flags: 0xfff0000000100c(referenced|uptodate|private) [ 567.011643] raw: 00fff0000000100c ffffea0002aad6c8 ffffea0002700708 0000000000000000 [ 567.019638] raw: 000000000000002d ffff8880b49905a0 00000000ffffffff 0000000000000000 [ 567.027546] page dumped because: PAGE_FLAGS_CHECK_AT_FREE flag(s) set [ 567.034121] bad because of flags: 0x1000(private) [ 567.038978] Modules linked in: [ 567.042159] CPU: 0 PID: 8151 Comm: syz-executor224 Tainted: G B 4.19.211-syzkaller #0 [ 567.051401] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 567.060823] Call Trace: [ 567.063392] dump_stack+0x1fc/0x2ef [ 567.066999] bad_page.cold+0xdb/0x100 [ 567.070775] ? split_page+0x200/0x200 [ 567.074554] free_unref_page_prepare+0x483/0x5d0 [ 567.079285] free_unref_page_list+0xd8/0x7b0 [ 567.083674] release_pages+0xb0d/0x15a0 [ 567.087628] ? __put_compound_page+0xc0/0xc0 [ 567.092011] ? lru_deactivate_file_fn+0x1640/0x1640 [ 567.097004] __pagevec_release+0x7b/0x150 [ 567.101130] truncate_inode_pages_range+0x8bb/0x1b00 [ 567.106211] ? truncate_inode_page+0xc0/0xc0 [ 567.110597] ? mark_held_locks+0xf0/0xf0 [ 567.114634] ? debug_object_init_on_stack+0x20/0x20 [ 567.119629] ? parse_options+0xb0d/0xe70 [ 567.123668] ? lock_downgrade+0x720/0x720 [ 567.127794] ? lock_acquire+0x170/0x3c0 [ 567.131745] ? lockref_put_or_lock+0x14/0x80 [ 567.136134] ? _raw_spin_unlock+0x29/0x40 [ 567.140256] ? lockref_put_or_lock+0x6a/0x80 [ 567.144641] ? shrink_dentry_list+0x2d9/0x6e0 [ 567.149115] jfs_remount+0x4bd/0x640 [ 567.152804] ? jfs_fill_super+0xb50/0xb50 [ 567.156927] ? vprintk_emit+0x1d0/0x740 [ 567.160881] do_remount_sb+0x1a0/0x6a0 [ 567.164754] ? jfs_fill_super+0xb50/0xb50 [ 567.168876] ? user_get_super+0x240/0x240 [ 567.172999] ? security_capable+0x8f/0xc0 [ 567.177123] do_mount+0x1a62/0x2f50 [ 567.180728] ? copy_mount_string+0x40/0x40 [ 567.184938] ? mntput_no_expire+0x119/0xa30 [ 567.189243] ? mntput+0x67/0x90 [ 567.192499] ? do_mkdirat+0x1d2/0x2d0 [ 567.196274] ? copy_mount_options+0x26f/0x380 [ 567.200776] ksys_mount+0xcf/0x130 [ 567.204292] __x64_sys_mount+0xba/0x150 [ 567.208244] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 567.212800] do_syscall_64+0xf9/0x620 [ 567.216599] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 567.221763] RIP: 0033:0x7f7d05f85449 [ 567.225452] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 0