Warning: Permanently added '10.128.0.166' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [   43.439923][ T6847] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal
[   43.450704][ T6847] REISERFS (device loop0): using ordered data mode
[   43.458859][ T6847] reiserfs: using flush barriers
[   43.465059][ T6847] REISERFS (device loop0): journal params: device loop0, size 15748, journal first block 18, max trans len 1024, max batch 900, max commit age 30, max trans age 30
[   43.487634][ T6847] REISERFS (device loop0): checking transaction log (loop0)
[   45.035050][ T6847] REISERFS (device loop0): Using r5 hash to sort names
[   45.042722][ T6847] REISERFS (device loop0): using 3.5.x disk format
[   45.051130][ T6847] ==================================================================
[   45.059256][ T6847] BUG: KASAN: use-after-free in search_by_entry_key+0x450/0xad0
[   45.066868][ T6847] Read of size 4 at addr ffff88807cd0b7bd by task syz-executor710/6847
[   45.075108][ T6847] 
[   45.077415][ T6847] CPU: 1 PID: 6847 Comm: syz-executor710 Not tainted 5.9.0-rc8-syzkaller #0
[   45.086051][ T6847] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   45.096077][ T6847] Call Trace:
[   45.099351][ T6847]  dump_stack+0x1d6/0x29e
[   45.103656][ T6847]  print_address_description+0x66/0x620
[   45.109178][ T6847]  ? printk+0x62/0x83
[   45.113132][ T6847]  ? vprintk_emit+0x2f0/0x370
[   45.117824][ T6847]  kasan_report+0x132/0x1d0
[   45.122301][ T6847]  ? search_by_entry_key+0x450/0xad0
[   45.127558][ T6847]  search_by_entry_key+0x450/0xad0
[   45.132647][ T6847]  reiserfs_find_entry+0x246/0x1260
[   45.137862][ T6847]  ? reiserfs_write_lock+0x77/0xd0
[   45.142957][ T6847]  reiserfs_lookup+0x156/0x3a0
[   45.147695][ T6847]  ? d_alloc_parallel+0x12da/0x13c0
[   45.152876][ T6847]  __lookup_slow+0x240/0x370
[   45.157454][ T6847]  lookup_one_len+0x10e/0x200
[   45.162146][ T6847]  reiserfs_lookup_privroot+0x85/0x1e0
[   45.167583][ T6847]  reiserfs_fill_super+0x2b51/0x3240
[   45.172869][ T6847]  ? vsnprintf+0x1a12/0x1aa0
[   45.177446][ T6847]  ? snprintf+0x6f/0x90
[   45.181574][ T6847]  ? set_blocksize+0x1f5/0x3c0
[   45.186313][ T6847]  mount_bdev+0x24f/0x360
[   45.190735][ T6847]  ? reiserfs_kill_sb+0x150/0x150
[   45.195734][ T6847]  legacy_get_tree+0xea/0x180
[   45.200382][ T6847]  ? remove_save_link+0x3e0/0x3e0
[   45.205379][ T6847]  vfs_get_tree+0x88/0x270
[   45.209816][ T6847]  path_mount+0x179d/0x29e0
[   45.214299][ T6847]  __se_sys_mount+0x126/0x180
[   45.218952][ T6847]  do_syscall_64+0x31/0x70
[   45.223338][ T6847]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   45.229221][ T6847] RIP: 0033:0x447d9a
[   45.233088][ T6847] 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
[   45.252749][ T6847] RSP: 002b:00007ffc5d05d468 EFLAGS: 00000297 ORIG_RAX: 00000000000000a5
[   45.261131][ T6847] RAX: ffffffffffffffda RBX: 00007ffc5d05d4c0 RCX: 0000000000447d9a
[   45.269102][ T6847] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007ffc5d05d480
[   45.277062][ T6847] RBP: 00007ffc5d05d480 R08: 00007ffc5d05d4c0 R09: 0000000000000000
[   45.285005][ T6847] R10: 0000000000000000 R11: 0000000000000297 R12: 0000000000000006
[   45.292962][ T6847] R13: 0000000000000004 R14: 0000000000000003 R15: 0000000000000003
[   45.300921][ T6847] 
[   45.303232][ T6847] The buggy address belongs to the page:
[   45.308845][ T6847] page:0000000023b676e0 refcount:0 mapcount:0 mapping:0000000000000000 index:0x1 pfn:0x7cd0b
[   45.318958][ T6847] flags: 0xfffe0000000000()
[   45.323435][ T6847] raw: 00fffe0000000000 ffffea0001f34308 ffffea0001f34288 0000000000000000
[   45.332000][ T6847] raw: 0000000000000001 0000000000000000 00000000ffffffff 0000000000000000
[   45.340556][ T6847] page dumped because: kasan: bad access detected
[   45.346940][ T6847] 
[   45.349239][ T6847] Memory state around the buggy address:
[   45.354847][ T6847]  ffff88807cd0b680: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   45.362890][ T6847]  ffff88807cd0b700: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   45.370917][ T6847] >ffff88807cd0b780: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   45.378959][ T6847]                                         ^
[   45.384827][ T6847]  ffff88807cd0b800: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   45.392855][ T6847]  ffff88807cd0b880: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   45.400892][ T6847] ==================================================================
[   45.408919][ T6847] Disabling lock debugging due to kernel taint
[   45.425755][ T6847] Kernel panic - not syncing: panic_on_warn set ...
[   45.432337][ T6847] CPU: 1 PID: 6847 Comm: syz-executor710 Tainted: G    B             5.9.0-rc8-syzkaller #0
[   45.442361][ T6847] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   45.452382][ T6847] Call Trace:
[   45.455645][ T6847]  dump_stack+0x1d6/0x29e
[   45.459945][ T6847]  panic+0x2c0/0x800
[   45.463807][ T6847]  ? trace_hardirqs_on+0x30/0x80
[   45.468712][ T6847]  kasan_report+0x1c9/0x1d0
[   45.473185][ T6847]  ? search_by_entry_key+0x450/0xad0
[   45.478440][ T6847]  search_by_entry_key+0x450/0xad0
[   45.483522][ T6847]  reiserfs_find_entry+0x246/0x1260
[   45.488688][ T6847]  ? reiserfs_write_lock+0x77/0xd0
[   45.493871][ T6847]  reiserfs_lookup+0x156/0x3a0
[   45.498605][ T6847]  ? d_alloc_parallel+0x12da/0x13c0
[   45.504033][ T6847]  __lookup_slow+0x240/0x370
[   45.508594][ T6847]  lookup_one_len+0x10e/0x200
[   45.513241][ T6847]  reiserfs_lookup_privroot+0x85/0x1e0
[   45.518665][ T6847]  reiserfs_fill_super+0x2b51/0x3240
[   45.523926][ T6847]  ? vsnprintf+0x1a12/0x1aa0
[   45.528486][ T6847]  ? snprintf+0x6f/0x90
[   45.532612][ T6847]  ? set_blocksize+0x1f5/0x3c0
[   45.537345][ T6847]  mount_bdev+0x24f/0x360
[   45.541653][ T6847]  ? reiserfs_kill_sb+0x150/0x150
[   45.546654][ T6847]  legacy_get_tree+0xea/0x180
[   45.551301][ T6847]  ? remove_save_link+0x3e0/0x3e0
[   45.556291][ T6847]  vfs_get_tree+0x88/0x270
[   45.560697][ T6847]  path_mount+0x179d/0x29e0
[   45.565171][ T6847]  __se_sys_mount+0x126/0x180
[   45.569832][ T6847]  do_syscall_64+0x31/0x70
[   45.574216][ T6847]  entry_SYSCALL_64_after_hwframe+0x44/0xa9
[   45.580091][ T6847] RIP: 0033:0x447d9a
[   45.583953][ T6847] 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
[   45.603537][ T6847] RSP: 002b:00007ffc5d05d468 EFLAGS: 00000297 ORIG_RAX: 00000000000000a5
[   45.611915][ T6847] RAX: ffffffffffffffda RBX: 00007ffc5d05d4c0 RCX: 0000000000447d9a
[   45.619855][ T6847] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007ffc5d05d480
[   45.627795][ T6847] RBP: 00007ffc5d05d480 R08: 00007ffc5d05d4c0 R09: 0000000000000000
[   45.635745][ T6847] R10: 0000000000000000 R11: 0000000000000297 R12: 0000000000000006
[   45.643699][ T6847] R13: 0000000000000004 R14: 0000000000000003 R15: 0000000000000003
[   45.652955][ T6847] Kernel Offset: disabled
[   45.657261][ T6847] Rebooting in 86400 seconds..