[[0;32m OK [0m] Reached target Graphical Interface.
Starting Update UTMP about System Runlevel Changes...
Starting Load/Save RF Kill Switch Status...
[[0;32m OK [0m] Started Update UTMP about System Runlevel Changes.
[[0;32m OK [0m] Started Load/Save RF Kill Switch Status.
Debian GNU/Linux 9 syzkaller ttyS0
Warning: Permanently added '10.128.0.165' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [ 72.166503][ T8437] loop0: detected capacity change from 0 to 131391
[ 72.179927][ T8437] REISERFS (device loop0): found reiserfs format "3.6" with standard journal
[ 72.189184][ T8437] REISERFS (device loop0): using ordered data mode
[ 72.195794][ T8437] reiserfs: using flush barriers
[ 72.202701][ T8437] REISERFS (device loop0): journal params: device loop0, size 8192, journal first block 18, max trans len 1024, max batch 900, max commit age 30, max trans age 30
[ 72.222532][ T8437] REISERFS (device loop0): checking transaction log (loop0)
[ 73.466762][ T8437] REISERFS (device loop0): Using rupasov hash to sort names
[ 73.475092][ T8437] general protection fault, probably for non-canonical address 0xdffffc000000000d: 0000 [#1] PREEMPT SMP KASAN
[ 73.486806][ T8437] KASAN: null-ptr-deref in range [0x0000000000000068-0x000000000000006f]
[ 73.495411][ T8437] CPU: 1 PID: 8437 Comm: syz-executor023 Not tainted 5.12.0-rc4-next-20210322-syzkaller #0
[ 73.505380][ T8437] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 73.515612][ T8437] RIP: 0010:reiserfs_security_init+0x28f/0x530
[ 73.521791][ T8437] Code: 48 c1 e9 03 80 3c 11 00 0f 85 91 02 00 00 49 8b 87 a0 05 00 00 48 ba 00 00 00 00 00 fc ff df 48 8d 78 68 48 89 f9 48 c1 e9 03 <80> 3c 11 00 0f 85 4d 02 00 00 48 83 78 68 00 0f 84 be 01 00 00 48
[ 73.542560][ T8437] RSP: 0018:ffffc900034f7970 EFLAGS: 00010202
[ 73.548632][ T8437] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 000000000000000d
[ 73.556593][ T8437] RDX: dffffc0000000000 RSI: 000000000000006c RDI: 0000000000000068
[ 73.565127][ T8437] RBP: ffff888035620798 R08: 0000000000000000 R09: ffffc900034f7a18
[ 73.573092][ T8437] R10: ffffffff820339a0 R11: 0000000000000000 R12: 000000000000057d
[ 73.581066][ T8437] R13: ffff888026016000 R14: 0000000000000000 R15: ffff88801c597000
[ 73.589203][ T8437] FS: 0000000000cb2300(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
[ 73.598124][ T8437] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 73.604696][ T8437] CR2: 00005556d78c82e8 CR3: 000000001d095000 CR4: 00000000001506e0
[ 73.613308][ T8437] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 73.621272][ T8437] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 73.629228][ T8437] Call Trace:
[ 73.632494][ T8437] reiserfs_mkdir+0x2d0/0x980
[ 73.637160][ T8437] ? reiserfs_mknod+0x700/0x700
[ 73.642023][ T8437] ? down_write+0xe0/0x150
[ 73.646454][ T8437] ? down_write_killable+0x170/0x170
[ 73.651742][ T8437] ? down_write_killable+0x170/0x170
[ 73.657014][ T8437] reiserfs_xattr_init+0x4de/0xb60
[ 73.662133][ T8437] reiserfs_fill_super+0x2166/0x2e00
[ 73.667421][ T8437] ? reiserfs_remount+0x1580/0x1580
[ 73.672607][ T8437] ? lock_downgrade+0x6e0/0x6e0
[ 73.677450][ T8437] ? snprintf+0xbb/0xf0
[ 73.681608][ T8437] ? __sanitizer_cov_trace_cmp4+0x1c/0x70
[ 73.687314][ T8437] ? set_blocksize+0x1c1/0x3b0
[ 73.692066][ T8437] mount_bdev+0x34d/0x410
[ 73.696394][ T8437] ? reiserfs_remount+0x1580/0x1580
[ 73.701581][ T8437] ? reiserfs_kill_sb+0x1e0/0x1e0
[ 73.706593][ T8437] legacy_get_tree+0x105/0x220
[ 73.711352][ T8437] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70
[ 73.717602][ T8437] vfs_get_tree+0x89/0x2f0
[ 73.722028][ T8437] path_mount+0x132a/0x1fa0
[ 73.726521][ T8437] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70
[ 73.732767][ T8437] ? strncpy_from_user+0x2a0/0x3e0
[ 73.737878][ T8437] ? finish_automount+0xad0/0xad0
[ 73.742924][ T8437] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70
[ 73.749167][ T8437] ? getname_flags.part.0+0x1dd/0x4f0
[ 73.754543][ T8437] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70
[ 73.760806][ T8437] __x64_sys_mount+0x27f/0x300
[ 73.765643][ T8437] ? copy_mnt_ns+0xae0/0xae0
[ 73.770218][ T8437] ? syscall_enter_from_user_mode+0x27/0x70
[ 73.776116][ T8437] do_syscall_64+0x2d/0x70
[ 73.780526][ T8437] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 73.786407][ T8437] RIP: 0033:0x445b4a
[ 73.790299][ T8437] Code: 48 c7 c2 c0 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 a8 00 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48
[ 73.809904][ T8437] RSP: 002b:00007ffc250d60b8 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5
[ 73.818305][ T8437] RAX: ffffffffffffffda RBX: 00007ffc250d6110 RCX: 0000000000445b4a
[ 73.826265][ T8437] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007ffc250d60d0
[ 73.834219][ T8437] RBP: 00007ffc250d60d0 R08: 00007ffc250d6110 R09: 0000000000000000
[ 73.842178][ T8437] R10: 0000000000000000 R11: 0000000000000286 R12: 00000000200002a8
[ 73.850135][ T8437] R13: 0000000000000003 R14: 0000000000000004 R15: 0000000000000007
[ 73.858096][ T8437] Modules linked in:
[ 73.862208][ T8437] ---[ end trace d91c66197c979349 ]---
[ 73.867699][ T8437] RIP: 0010:reiserfs_security_init+0x28f/0x530
[ 73.873880][ T8437] Code: 48 c1 e9 03 80 3c 11 00 0f 85 91 02 00 00 49 8b 87 a0 05 00 00 48 ba 00 00 00 00 00 fc ff df 48 8d 78 68 48 89 f9 48 c1 e9 03 <80> 3c 11 00 0f 85 4d 02 00 00 48 83 78 68 00 0f 84 be 01 00 00 48
[ 73.893563][ T8437] RSP: 0018:ffffc900034f7970 EFLAGS: 00010202
[ 73.899690][ T8437] RAX: 0000000000000000 RBX: 0000000000000036 RCX: 000000000000000d
[ 73.907793][ T8437] RDX: dffffc0000000000 RSI: 000000000000006c RDI: 0000000000000068
[ 73.915772][ T8437] RBP: ffff888035620798 R08: 0000000000000000 R09: ffffc900034f7a18
[ 73.923787][ T8437] R10: ffffffff820339a0 R11: 0000000000000000 R12: 000000000000057d
[ 73.931812][ T8437] R13: ffff888026016000 R14: 0000000000000000 R15: ffff88801c597000
[ 73.939951][ T8437] FS: 0000000000cb2300(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
[ 73.948941][ T8437] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 73.955531][ T8437] CR2: 00005556d78c82e8 CR3: 000000001d095000 CR4: 00000000001506e0
[ 73.963531][ T8437] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 73.971565][ T8437] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 73.979590][ T8437] Kernel panic - not syncing: Fatal exception
[ 73.986190][ T8437] Kernel Offset: disabled
[ 73.990518][ T8437] Rebooting in 86400 seconds..