Warning: Permanently added '10.128.0.218' (ECDSA) to the list of known hosts.
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syzkaller login: [   40.915229] audit: type=1400 audit(1602553720.713:8): avc:  denied  { execmem } for  pid=6502 comm="syz-executor411" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1
[   40.946177] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt
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[   41.500435] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt
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[   41.575144] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt
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[   41.644139] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt
[   41.644139] 
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[   41.720299] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt
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[   41.816108] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt
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[   42.112826] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt
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[   42.322456] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt
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[   42.624975] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt
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[   42.824773] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt
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[   42.875977] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt
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[   42.935619] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt
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[   43.004030] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt
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[   43.074014] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt
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[   43.199492] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt
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[   43.264807] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt
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[   43.330577] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt
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[   43.384538] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt
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[   43.566167] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt
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[   43.632257] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt
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[   43.685964] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt
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[   43.741851] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt
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[   43.812062] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt
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[   43.883423] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt
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[   43.944125] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt
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[   43.991997] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt
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[   44.044636] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt
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[   44.101286] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt
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[   44.174022] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt
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[   44.233648] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt
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[   44.293040] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt
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[   44.339725] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt
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[   44.395636] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt
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[   44.452305] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt
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[   44.540253] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt
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[   44.602981] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt
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[   44.641813] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt
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[   44.702491] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt
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[   44.769695] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt
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[   44.814990] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt
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[   44.874057] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt
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[   44.942378] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt
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[   44.995346] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt
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[   45.050989] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt
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[   45.794597] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt
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[   45.854070] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt
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[   45.923739] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt
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[   46.007524] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt
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[   46.292092] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt
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[   46.448658] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt
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[   46.511731] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt
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[   46.571644] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt
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[   47.049006] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt
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[   47.174102] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt
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[   47.353246] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt
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[   47.392294] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt
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executing program
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[   47.441623] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt
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[   47.909504] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt
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[   48.032049] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt
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[   48.091403] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt
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[   48.137363] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt
[   48.137363] 
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[   48.217921] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt
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[   48.277740] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt
[   48.277740] 
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[   48.335926] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt
[   48.335926] 
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[   48.394163] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt
[   48.394163] 
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[   48.463420] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt
[   48.463420] 
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[   48.519924] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt
[   48.519924] 
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[   48.579324] 
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[   48.641010] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt
[   48.641010] 
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[   48.702748] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt
[   48.702748] 
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[   48.752653] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt
[   48.752653] 
executing program
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[   48.811628] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt
[   48.811628] 
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[   48.871865] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt
[   48.871865] 
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[   48.930707] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt
[   48.930707] 
executing program
[   48.981129] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt
[   48.981129] 
executing program
[   49.031476] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt
[   49.031476] 
executing program
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[   49.091153] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt
[   49.091153] 
executing program
[   49.152511] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt
[   49.152511] 
executing program
[   49.212552] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt
[   49.212552] 
executing program
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[   49.278606] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt
[   49.278606] 
executing program
[   49.343025] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt
[   49.343025] 
executing program
[   49.401386] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt
[   49.401386] 
executing program
[   49.461908] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt
[   49.461908] 
executing program
[   49.513584] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt
[   49.513584] 
executing program
[   49.553934] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt
[   49.553934] 
[   49.590400] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt
[   49.590400] 
executing program
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[   49.640316] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt
[   49.640316] 
[   49.708176] ==================================================================
[   49.715684] BUG: KASAN: use-after-free in diFree+0x18d9/0x24b0
[   49.721661] Read of size 4 at addr ffff8880879d0604 by task syz-executor411/7318
[   49.729193] 
[   49.730837] CPU: 0 PID: 7318 Comm: syz-executor411 Not tainted 4.19.150-syzkaller #0
[   49.738720] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   49.748079] Call Trace:
[   49.750683]  dump_stack+0x22c/0x33e
[   49.754323]  print_address_description.cold+0x56/0x25c
[   49.759615]  kasan_report_error.cold+0x66/0xb9
[   49.764236]  ? diFree+0x18d9/0x24b0
[   49.767878]  __asan_report_load4_noabort+0x88/0x90
[   49.772913]  ? diFree+0x18d9/0x24b0
[   49.776576]  diFree+0x18d9/0x24b0
[   49.781259]  ? mark_held_locks+0xf0/0xf0
[   49.785330]  ? __kasan_slab_free+0x186/0x1f0
[   49.789746]  ? mark_held_locks+0xf0/0xf0
[   49.793844]  ? mark_held_locks+0xf0/0xf0
[   49.797912]  ? jfs_fill_super+0x83c/0xb50
[   49.802075]  ? mount_bdev+0x2fc/0x3b0
[   49.805882]  ? mount_fs+0xa3/0x318
[   49.809429]  ? vfs_kern_mount.part.0+0x68/0x470
[   49.814117]  ? do_mount+0x51c/0x2f10
[   49.817841]  ? ksys_mount+0xcf/0x130
[   49.821560]  ? __x64_sys_mount+0xba/0x150
[   49.825716]  ? diWrite+0x1450/0x1450
[   49.829486]  ? find_held_lock+0x2d/0x110
[   49.833591]  ? find_held_lock+0x2d/0x110
[   49.837661]  ? dquot_initialize_needed+0x290/0x290
[   49.842605]  ? lock_downgrade+0x750/0x750
[   49.846782]  jfs_evict_inode+0x126/0x170
[   49.850853]  ? jfs_write_inode+0x1d0/0x1d0
[   49.855274]  evict+0x2ed/0x780
[   49.858502]  iput+0x511/0x890
[   49.861643]  diFreeSpecial+0x63/0x80
[   49.865368]  jfs_umount+0xd6/0x310
[   49.868924]  jfs_fill_super+0x83c/0xb50
[   49.872909]  ? parse_options+0xf50/0xf50
[   49.877020]  ? set_blocksize+0x163/0x3f0
[   49.881627]  mount_bdev+0x2fc/0x3b0
[   49.885266]  ? parse_options+0xf50/0xf50
[   49.889341]  mount_fs+0xa3/0x318
[   49.892723]  vfs_kern_mount.part.0+0x68/0x470
[   49.897230]  do_mount+0x51c/0x2f10
[   49.900782]  ? check_preemption_disabled+0x41/0x2b0
[   49.905808]  ? copy_mount_string+0x40/0x40
[   49.910065]  ? kmem_cache_alloc_trace+0x379/0x4b0
[   49.914928]  ? _copy_from_user+0xd2/0x130
[   49.919090]  ? copy_mount_options+0x261/0x370
[   49.923600]  ksys_mount+0xcf/0x130
[   49.927150]  __x64_sys_mount+0xba/0x150
[   49.932088]  ? lockdep_hardirqs_on+0x3c1/0x5e0
[   49.936684]  do_syscall_64+0xf9/0x670
[   49.940500]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[   49.945701] RIP: 0033:0x44807a
[   49.948922] 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
[   49.967859] RSP: 002b:00007ffca64fa068 EFLAGS: 00000283 ORIG_RAX: 00000000000000a5
[   49.975577] RAX: ffffffffffffffda RBX: 00007ffca64fa0c0 RCX: 000000000044807a
[   49.982855] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007ffca64fa080
[   49.990156] RBP: 00007ffca64fa080 R08: 00007ffca64fa0c0 R09: 0000000000000000
[   49.997431] R10: 0000000000000000 R11: 0000000000000283 R12: 0000000000000019
[   50.004711] R13: 0000000000000004 R14: 0000000000000003 R15: 0000000000000003
[   50.011998] 
[   50.013633] Allocated by task 7318:
[   50.017272]  kmem_cache_alloc_trace+0x12f/0x4b0
[   50.021946]  diMount+0x4b/0x860
[   50.025231]  jfs_mount+0x300/0x3d0
[   50.028781]  jfs_fill_super+0x55c/0xb50
[   50.032764]  mount_bdev+0x2fc/0x3b0
[   50.036396]  mount_fs+0xa3/0x318
[   50.039767]  vfs_kern_mount.part.0+0x68/0x470
[   50.044290]  do_mount+0x51c/0x2f10
[   50.047863]  ksys_mount+0xcf/0x130
[   50.051433]  __x64_sys_mount+0xba/0x150
[   50.055416]  do_syscall_64+0xf9/0x670
[   50.059227]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[   50.064411] 
[   50.066039] Freed by task 7318:
[   50.069331]  kfree+0xcc/0x250
[   50.072469]  diUnmount+0xed/0x120
[   50.075932]  jfs_umount+0xce/0x310
[   50.079478]  jfs_fill_super+0x83c/0xb50
[   50.083461]  mount_bdev+0x2fc/0x3b0
[   50.087094]  mount_fs+0xa3/0x318
[   50.090468]  vfs_kern_mount.part.0+0x68/0x470
[   50.094990]  do_mount+0x51c/0x2f10
[   50.098531]  ksys_mount+0xcf/0x130
[   50.102079]  __x64_sys_mount+0xba/0x150
[   50.106069]  do_syscall_64+0xf9/0x670
[   50.109878]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[   50.115067] 
[   50.116702] The buggy address belongs to the object at ffff8880879d0600
[   50.116702]  which belongs to the cache kmalloc-32768 of size 32768
[   50.129754] The buggy address is located 4 bytes inside of
[   50.129754]  32768-byte region [ffff8880879d0600, ffff8880879d8600)
[   50.141660] The buggy address belongs to the page:
[   50.146598] page:ffffea00021e7400 count:1 mapcount:0 mapping:ffff88812c3f5380 index:0x0 compound_mapcount: 0
[   50.156574] flags: 0xfffe0000008100(slab|head)
[   50.161169] raw: 00fffe0000008100 ffffea000207c808 ffffea00021e7808 ffff88812c3f5380
[   50.169078] raw: 0000000000000000 ffff8880879d0600 0000000100000001 0000000000000000
[   50.176959] page dumped because: kasan: bad access detected
[   50.182666] 
[   50.184292] Memory state around the buggy address:
[   50.189226]  ffff8880879d0500: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   50.196589]  ffff8880879d0580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   50.203957] >ffff8880879d0600: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   50.211344]                    ^
[   50.214727]  ffff8880879d0680: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   50.222541]  ffff8880879d0700: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   50.229911] ==================================================================
[   50.237278] Disabling lock debugging due to kernel taint
[   50.244807] Kernel panic - not syncing: panic_on_warn set ...
[   50.244807] 
[   50.252229] CPU: 0 PID: 7318 Comm: syz-executor411 Tainted: G    B             4.19.150-syzkaller #0
[   50.261503] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   50.270865] Call Trace:
[   50.273476]  dump_stack+0x22c/0x33e
[   50.277118]  panic+0x2ac/0x565
[   50.280315]  ? __warn_printk+0xf3/0xf3
[   50.284246]  ? preempt_schedule_common+0x45/0xc0
[   50.289020]  ? ___preempt_schedule+0x16/0x18
[   50.293441]  ? trace_hardirqs_on+0x55/0x210
[   50.297767]  kasan_end_report+0x43/0x49
[   50.301756]  kasan_report_error.cold+0x83/0xb9
[   50.306340]  ? diFree+0x18d9/0x24b0
[   50.309974]  __asan_report_load4_noabort+0x88/0x90
[   50.314909]  ? diFree+0x18d9/0x24b0
[   50.318559]  diFree+0x18d9/0x24b0
[   50.322022]  ? mark_held_locks+0xf0/0xf0
[   50.326121]  ? __kasan_slab_free+0x186/0x1f0
[   50.330537]  ? mark_held_locks+0xf0/0xf0
[   50.334605]  ? mark_held_locks+0xf0/0xf0
[   50.338674]  ? jfs_fill_super+0x83c/0xb50
[   50.342849]  ? mount_bdev+0x2fc/0x3b0
[   50.346653]  ? mount_fs+0xa3/0x318
[   50.350195]  ? vfs_kern_mount.part.0+0x68/0x470
[   50.354865]  ? do_mount+0x51c/0x2f10
[   50.358589]  ? ksys_mount+0xcf/0x130
[   50.362308]  ? __x64_sys_mount+0xba/0x150
[   50.366462]  ? diWrite+0x1450/0x1450
[   50.370181]  ? find_held_lock+0x2d/0x110
[   50.374274]  ? find_held_lock+0x2d/0x110
[   50.378342]  ? dquot_initialize_needed+0x290/0x290
[   50.383279]  ? lock_downgrade+0x750/0x750
[   50.387438]  jfs_evict_inode+0x126/0x170
[   50.391534]  ? jfs_write_inode+0x1d0/0x1d0
[   50.395772]  evict+0x2ed/0x780
[   50.398979]  iput+0x511/0x890
[   50.402090]  diFreeSpecial+0x63/0x80
[   50.405811]  jfs_umount+0xd6/0x310
[   50.409360]  jfs_fill_super+0x83c/0xb50
[   50.413339]  ? parse_options+0xf50/0xf50
[   50.417409]  ? set_blocksize+0x163/0x3f0
[   50.421487]  mount_bdev+0x2fc/0x3b0
[   50.425145]  ? parse_options+0xf50/0xf50
[   50.429217]  mount_fs+0xa3/0x318
[   50.432593]  vfs_kern_mount.part.0+0x68/0x470
[   50.437117]  do_mount+0x51c/0x2f10
[   50.440674]  ? check_preemption_disabled+0x41/0x2b0
[   50.445696]  ? copy_mount_string+0x40/0x40
[   50.449944]  ? kmem_cache_alloc_trace+0x379/0x4b0
[   50.454798]  ? _copy_from_user+0xd2/0x130
[   50.458953]  ? copy_mount_options+0x261/0x370
[   50.463450]  ksys_mount+0xcf/0x130
[   50.466994]  __x64_sys_mount+0xba/0x150
[   50.470975]  ? lockdep_hardirqs_on+0x3c1/0x5e0
[   50.475565]  do_syscall_64+0xf9/0x670
[   50.479376]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[   50.484670] RIP: 0033:0x44807a
[   50.487866] 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
[   50.506801] RSP: 002b:00007ffca64fa068 EFLAGS: 00000283 ORIG_RAX: 00000000000000a5
[   50.514519] RAX: ffffffffffffffda RBX: 00007ffca64fa0c0 RCX: 000000000044807a
[   50.521798] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007ffca64fa080
[   50.529076] RBP: 00007ffca64fa080 R08: 00007ffca64fa0c0 R09: 0000000000000000
[   50.536354] R10: 0000000000000000 R11: 0000000000000283 R12: 0000000000000019
[   50.543656] R13: 0000000000000004 R14: 0000000000000003 R15: 0000000000000003
[   50.552145] Kernel Offset: disabled
[   50.555768] Rebooting in 86400 seconds..