Warning: Permanently added '10.128.0.103' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 45.896665] ================================================================== [ 45.904208] BUG: KASAN: use-after-free in diFree+0x16ca/0x2830 [ 45.910194] Read of size 4 at addr ffff88808ab810c4 by task syz-executor163/8746 [ 45.917733] [ 45.919381] CPU: 1 PID: 8746 Comm: syz-executor163 Not tainted 4.14.305-syzkaller #0 [ 45.927257] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 [ 45.936608] Call Trace: [ 45.939187] dump_stack+0x1b2/0x281 [ 45.942829] print_address_description.cold+0x54/0x1d3 [ 45.948094] kasan_report_error.cold+0x8a/0x191 [ 45.952750] ? diFree+0x16ca/0x2830 [ 45.956364] __asan_report_load4_noabort+0x68/0x70 [ 45.961278] ? diFree+0x16ca/0x2830 [ 45.964900] diFree+0x16ca/0x2830 [ 45.968342] ? trace_hardirqs_on+0x10/0x10 [ 45.972563] ? do_mount+0xe65/0x2a30 [ 45.976265] ? trace_hardirqs_on+0x10/0x10 [ 45.980492] ? generic_error_remove_page+0xb0/0xb0 [ 45.985414] ? __inode_wait_for_writeback+0x140/0x190 [ 45.990599] ? dquot_initialize_needed+0x240/0x240 [ 45.995514] ? diWrite+0x1240/0x1240 [ 45.999214] ? lock_downgrade+0x740/0x740 [ 46.003350] jfs_evict_inode+0x198/0x210 [ 46.007391] ? jfs_write_inode+0x190/0x190 [ 46.011616] evict+0x2c8/0x700 [ 46.014796] iput+0x458/0x7e0 [ 46.017894] diFreeSpecial+0x63/0x80 [ 46.021678] jfs_mount+0x2c6/0x380 [ 46.025203] jfs_fill_super+0x52a/0xab0 [ 46.029167] ? parse_options+0xd10/0xd10 [ 46.033214] ? set_blocksize+0x125/0x380 [ 46.037261] mount_bdev+0x2b3/0x360 [ 46.040893] ? parse_options+0xd10/0xd10 [ 46.044947] mount_fs+0x92/0x2a0 [ 46.048318] vfs_kern_mount.part.0+0x5b/0x470 [ 46.052804] do_mount+0xe65/0x2a30 [ 46.056337] ? copy_mount_string+0x40/0x40 [ 46.060565] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 46.065580] ? copy_mnt_ns+0xa30/0xa30 [ 46.069464] ? copy_mount_options+0x1fa/0x2f0 [ 46.073949] ? copy_mnt_ns+0xa30/0xa30 [ 46.077825] SyS_mount+0xa8/0x120 [ 46.081265] ? copy_mnt_ns+0xa30/0xa30 [ 46.085143] do_syscall_64+0x1d5/0x640 [ 46.089029] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 46.094223] RIP: 0033:0x7f141f27c5fa [ 46.097916] RSP: 002b:00007ffea177d768 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 [ 46.105612] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f141f27c5fa [ 46.112884] RDX: 0000000020005d00 RSI: 0000000020000040 RDI: 00007ffea177d780 [ 46.120149] RBP: 00007ffea177d780 R08: 00007ffea177d7c0 R09: 0000000000000002 [ 46.127403] R10: 0000000000000080 R11: 0000000000000282 R12: 0000000000000004 [ 46.134660] R13: 00005555569212c0 R14: 0000000000000080 R15: 00007ffea177d7c0 [ 46.141931] [ 46.143546] Allocated by task 8746: [ 46.147172] kasan_kmalloc+0xeb/0x160 [ 46.151029] kmem_cache_alloc_trace+0x131/0x3d0 [ 46.155763] diMount+0x4c/0x650 [ 46.159050] jfs_mount+0x262/0x380 [ 46.162583] jfs_fill_super+0x52a/0xab0 [ 46.166540] mount_bdev+0x2b3/0x360 [ 46.170150] mount_fs+0x92/0x2a0 [ 46.173502] vfs_kern_mount.part.0+0x5b/0x470 [ 46.177980] do_mount+0xe65/0x2a30 [ 46.181505] SyS_mount+0xa8/0x120 [ 46.184944] do_syscall_64+0x1d5/0x640 [ 46.188829] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 46.193999] [ 46.195611] Freed by task 8746: [ 46.198877] kasan_slab_free+0xc3/0x1a0 [ 46.202930] kfree+0xc9/0x250 [ 46.206027] diUnmount+0xe4/0x120 [ 46.209464] jfs_mount+0x29a/0x380 [ 46.212990] jfs_fill_super+0x52a/0xab0 [ 46.216947] mount_bdev+0x2b3/0x360 [ 46.220572] mount_fs+0x92/0x2a0 [ 46.223922] vfs_kern_mount.part.0+0x5b/0x470 [ 46.228398] do_mount+0xe65/0x2a30 [ 46.231922] SyS_mount+0xa8/0x120 [ 46.235367] do_syscall_64+0x1d5/0x640 [ 46.239261] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 46.244428] [ 46.246041] The buggy address belongs to the object at ffff88808ab810c0 [ 46.246041] which belongs to the cache kmalloc-32768 of size 32768 [ 46.259041] The buggy address is located 4 bytes inside of [ 46.259041] 32768-byte region [ffff88808ab810c0, ffff88808ab890c0) [ 46.270983] The buggy address belongs to the page: [ 46.275894] page:ffffea00022ae000 count:1 mapcount:0 mapping:ffff88808ab810c0 index:0x0 compound_mapcount: 0 [ 46.285844] flags: 0xfff00000008100(slab|head) [ 46.290411] raw: 00fff00000008100 ffff88808ab810c0 0000000000000000 0000000100000001 [ 46.298292] raw: ffffea00022adc20 ffffea00022ae420 ffff88813fe65380 0000000000000000 [ 46.306199] page dumped because: kasan: bad access detected [ 46.311898] [ 46.313514] Memory state around the buggy address: [ 46.318443] ffff88808ab80f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 46.325791] ffff88808ab81000: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 46.333175] >ffff88808ab81080: fc fc fc fc fc fc fc fc fb fb fb fb fb fb fb fb [ 46.340516] ^ [ 46.345968] ffff88808ab81100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 46.353316] ffff88808ab81180: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 46.360669] ================================================================== [ 46.368008] Disabling lock debugging due to kernel taint [ 46.373785] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 46.373785] [ 46.381759] CPU: 1 PID: 8746 Comm: syz-executor163 Tainted: G B 4.14.305-syzkaller #0 [ 46.390859] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 [ 46.400206] Call Trace: [ 46.402802] dump_stack+0x1b2/0x281 [ 46.406433] panic+0x21d/0x451 [ 46.409715] ? add_taint.cold+0x16/0x16 [ 46.413688] ? ___preempt_schedule+0x16/0x18 [ 46.418103] ? preempt_schedule_common+0x45/0xc0 [ 46.422860] ? ___preempt_schedule+0x16/0x18 [ 46.427276] check_panic_on_warn.cold+0x19/0x35 [ 46.431930] kasan_end_report+0x3a/0x40 [ 46.435892] kasan_report_error.cold+0xa7/0x191 [ 46.440545] ? diFree+0x16ca/0x2830 [ 46.444157] __asan_report_load4_noabort+0x68/0x70 [ 46.449077] ? diFree+0x16ca/0x2830 [ 46.452689] diFree+0x16ca/0x2830 [ 46.456127] ? trace_hardirqs_on+0x10/0x10 [ 46.460346] ? do_mount+0xe65/0x2a30 [ 46.464120] ? trace_hardirqs_on+0x10/0x10 [ 46.468358] ? generic_error_remove_page+0xb0/0xb0 [ 46.473278] ? __inode_wait_for_writeback+0x140/0x190 [ 46.478458] ? dquot_initialize_needed+0x240/0x240 [ 46.483376] ? diWrite+0x1240/0x1240 [ 46.487078] ? lock_downgrade+0x740/0x740 [ 46.491211] jfs_evict_inode+0x198/0x210 [ 46.495256] ? jfs_write_inode+0x190/0x190 [ 46.499482] evict+0x2c8/0x700 [ 46.502662] iput+0x458/0x7e0 [ 46.505759] diFreeSpecial+0x63/0x80 [ 46.509465] jfs_mount+0x2c6/0x380 [ 46.512990] jfs_fill_super+0x52a/0xab0 [ 46.516967] ? parse_options+0xd10/0xd10 [ 46.521012] ? set_blocksize+0x125/0x380 [ 46.525455] mount_bdev+0x2b3/0x360 [ 46.529291] ? parse_options+0xd10/0xd10 [ 46.533346] mount_fs+0x92/0x2a0 [ 46.536716] vfs_kern_mount.part.0+0x5b/0x470 [ 46.541200] do_mount+0xe65/0x2a30 [ 46.544730] ? copy_mount_string+0x40/0x40 [ 46.548950] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 46.553957] ? copy_mnt_ns+0xa30/0xa30 [ 46.557848] ? copy_mount_options+0x1fa/0x2f0 [ 46.562326] ? copy_mnt_ns+0xa30/0xa30 [ 46.566197] SyS_mount+0xa8/0x120 [ 46.569636] ? copy_mnt_ns+0xa30/0xa30 [ 46.573510] do_syscall_64+0x1d5/0x640 [ 46.577386] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 46.582566] RIP: 0033:0x7f141f27c5fa [ 46.586268] RSP: 002b:00007ffea177d768 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 [ 46.593976] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f141f27c5fa [ 46.601239] RDX: 0000000020005d00 RSI: 0000000020000040 RDI: 00007ffea177d780 [ 46.608690] RBP: 00007ffea177d780 R08: 00007ffea177d7c0 R09: 0000000000000002 [ 46.615982] R10: 0000000000000080 R11: 0000000000000282 R12: 0000000000000004 [ 46.623235] R13: 00005555569212c0 R14: 0000000000000080 R15: 00007ffea177d7c0 [ 46.630737] Kernel Offset: disabled [ 46.634352] Rebooting in 86400 seconds..