[[0;32m OK [0m] Reached target Login Prompts.
[[0;32m OK [0m] Reached target Multi-User System.
[[0;32m OK [0m] Reached target Graphical Interface.
Starting Update UTMP about System Runlevel Changes...
[[0;32m OK [0m] Started Update UTMP about System Runlevel Changes.
Debian GNU/Linux 9 syzkaller ttyS0
Warning: Permanently added '10.128.0.129' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [ 65.585056][ T6556] ------------[ cut here ]------------
[ 65.590683][ T6556] WARNING: CPU: 0 PID: 6556 at fs/fuse/inode.c:122 fuse_evict_inode+0x365/0x430
[ 65.600150][ T6556] Modules linked in:
[ 65.604056][ T6556] CPU: 0 PID: 6556 Comm: syz-executor054 Not tainted 5.15.0-rc5-next-20211015-syzkaller #0
[ 65.614154][ T6556] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 65.624247][ T6556] RIP: 0010:fuse_evict_inode+0x365/0x430
[ 65.629952][ T6556] Code: 00 00 00 48 c7 83 a0 04 00 00 00 00 00 00 e9 58 fe ff ff e8 dd 7d c8 fe 48 89 df e8 f5 95 01 00 e9 05 fe ff ff e8 cb 7d c8 fe <0f> 0b e9 e8 fc ff ff 48 89 df e8 4c 10 0f ff e9 53 fe ff ff 48 89
[ 65.649791][ T6556] RSP: 0018:ffffc9000282f8b0 EFLAGS: 00010293
[ 65.655901][ T6556] RAX: 0000000000000000 RBX: ffff88806be58000 RCX: 0000000000000000
[ 65.663922][ T6556] RDX: ffff888017e53a00 RSI: ffffffff82aee6c5 RDI: 0000000000000003
[ 65.671928][ T6556] RBP: 0000000000000004 R08: 0000000000000000 R09: ffff88806be5808b
[ 65.679952][ T6556] R10: ffffffff82aee3ab R11: 0000000000000000 R12: ffff88806be580d8
[ 65.687972][ T6556] R13: ffff88806be58028 R14: ffffffff89e3a8e0 R15: ffff88807806a980
[ 65.695998][ T6556] FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
[ 65.704984][ T6556] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 65.711569][ T6556] CR2: 00007f4a17dcf568 CR3: 000000000b88e000 CR4: 00000000003506f0
[ 65.719584][ T6556] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 65.727627][ T6556] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 65.735674][ T6556] Call Trace:
[ 65.738950][ T6556]
[ 65.741879][ T6556] ? fuse_send_destroy+0x160/0x160
[ 65.747036][ T6556] evict+0x2ed/0x6b0
[ 65.750941][ T6556] iput.part.0+0x539/0x850
[ 65.755403][ T6556] iput+0x58/0x70
[ 65.759040][ T6556] dentry_unlink_inode+0x2b1/0x460
[ 65.764141][ T6556] __dentry_kill+0x3c0/0x640
[ 65.768766][ T6556] ? dput+0x35/0xbc0
[ 65.772676][ T6556] ? dput+0x35/0xbc0
[ 65.776614][ T6556] dput+0x738/0xbc0
[ 65.780432][ T6556] shrink_dcache_for_umount+0x11f/0x330
[ 65.786014][ T6556] ? fuse_conn_destroy+0x1f2/0x280
[ 65.791139][ T6556] generic_shutdown_super+0x68/0x370
[ 65.796463][ T6556] kill_anon_super+0x36/0x60
[ 65.801076][ T6556] deactivate_locked_super+0x94/0x160
[ 65.806491][ T6556] deactivate_super+0xad/0xd0
[ 65.811171][ T6556] cleanup_mnt+0x3a2/0x540
[ 65.815640][ T6556] task_work_run+0xdd/0x1a0
[ 65.820149][ T6556] do_exit+0xc16/0x2b40
[ 65.824298][ T6556] ? mm_update_next_owner+0x7a0/0x7a0
[ 65.829717][ T6556] ? lock_downgrade+0x6e0/0x6e0
[ 65.834587][ T6556] do_group_exit+0x125/0x310
[ 65.839238][ T6556] get_signal+0x47d/0x2160
[ 65.843662][ T6556] ? call_rcu+0x2dd/0x740
[ 65.848055][ T6556] ? lockdep_hardirqs_on+0x79/0x100
[ 65.853286][ T6556] arch_do_signal_or_restart+0x2a9/0x1c40
[ 65.859068][ T6556] ? put_task_struct_rcu_user+0x7f/0xb0
[ 65.864620][ T6556] ? __schedule+0xaa2/0x4940
[ 65.869272][ T6556] ? wait_for_completion_io+0x270/0x270
[ 65.874890][ T6556] ? get_sigframe_size+0x10/0x10
[ 65.879836][ T6556] ? io_schedule_timeout+0x140/0x140
[ 65.885163][ T6556] ? fput+0x2a/0x50
[ 65.888979][ T6556] exit_to_user_mode_prepare+0x17d/0x290
[ 65.894614][ T6556] syscall_exit_to_user_mode+0x19/0x60
[ 65.900113][ T6556] do_syscall_64+0x42/0xb0
[ 65.904531][ T6556] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 65.910467][ T6556] RIP: 0033:0x7f4a17d79ef9
[ 65.914936][ T6556] Code: Unable to access opcode bytes at RIP 0x7f4a17d79ecf.
[ 65.922292][ T6556] RSP: 002b:00007f4a17d2b2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 65.930745][ T6556] RAX: 0000000000139000 RBX: 00007f4a17e074e0 RCX: 00007f4a17d79ef9
[ 65.938767][ T6556] RDX: 00000000fffffde4 RSI: 00000000200000c0 RDI: 0000000000000006
[ 65.946783][ T6556] RBP: 00007f4a17dd40d4 R08: 0000000000000000 R09: 0000000000000000
[ 65.954752][ T6556] R10: 0000000000000000 R11: 0000000000000246 R12: 0030656c69662f2e
[ 65.962769][ T6556] R13: 00007f4a17dd00c8 R14: 00007f4a17dd20d0 R15: 00007f4a17e074e8
[ 65.970843][ T6556]
[ 65.973872][ T6556] Kernel panic - not syncing: panic_on_warn set ...
[ 65.980444][ T6556] CPU: 0 PID: 6556 Comm: syz-executor054 Not tainted 5.15.0-rc5-next-20211015-syzkaller #0
[ 65.990408][ T6556] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 66.000447][ T6556] Call Trace:
[ 66.003712][ T6556]
[ 66.006631][ T6556] dump_stack_lvl+0xcd/0x134
[ 66.011230][ T6556] panic+0x2b0/0x6dd
[ 66.015117][ T6556] ? __warn_printk+0xf3/0xf3
[ 66.019702][ T6556] ? __warn.cold+0x1a/0x44
[ 66.024110][ T6556] ? fuse_evict_inode+0x365/0x430
[ 66.029130][ T6556] __warn.cold+0x35/0x44
[ 66.033364][ T6556] ? fuse_evict_inode+0x365/0x430
[ 66.038396][ T6556] report_bug+0x1bd/0x210
[ 66.042720][ T6556] handle_bug+0x3c/0x60
[ 66.046871][ T6556] exc_invalid_op+0x14/0x40
[ 66.051362][ T6556] asm_exc_invalid_op+0x12/0x20
[ 66.056202][ T6556] RIP: 0010:fuse_evict_inode+0x365/0x430
[ 66.061829][ T6556] Code: 00 00 00 48 c7 83 a0 04 00 00 00 00 00 00 e9 58 fe ff ff e8 dd 7d c8 fe 48 89 df e8 f5 95 01 00 e9 05 fe ff ff e8 cb 7d c8 fe <0f> 0b e9 e8 fc ff ff 48 89 df e8 4c 10 0f ff e9 53 fe ff ff 48 89
[ 66.081425][ T6556] RSP: 0018:ffffc9000282f8b0 EFLAGS: 00010293
[ 66.087480][ T6556] RAX: 0000000000000000 RBX: ffff88806be58000 RCX: 0000000000000000
[ 66.095440][ T6556] RDX: ffff888017e53a00 RSI: ffffffff82aee6c5 RDI: 0000000000000003
[ 66.103399][ T6556] RBP: 0000000000000004 R08: 0000000000000000 R09: ffff88806be5808b
[ 66.111359][ T6556] R10: ffffffff82aee3ab R11: 0000000000000000 R12: ffff88806be580d8
[ 66.119319][ T6556] R13: ffff88806be58028 R14: ffffffff89e3a8e0 R15: ffff88807806a980
[ 66.127281][ T6556] ? fuse_evict_inode+0x4b/0x430
[ 66.132215][ T6556] ? fuse_evict_inode+0x365/0x430
[ 66.137238][ T6556] ? fuse_send_destroy+0x160/0x160
[ 66.142352][ T6556] evict+0x2ed/0x6b0
[ 66.146240][ T6556] iput.part.0+0x539/0x850
[ 66.150649][ T6556] iput+0x58/0x70
[ 66.154284][ T6556] dentry_unlink_inode+0x2b1/0x460
[ 66.159392][ T6556] __dentry_kill+0x3c0/0x640
[ 66.163973][ T6556] ? dput+0x35/0xbc0
[ 66.167866][ T6556] ? dput+0x35/0xbc0
[ 66.171759][ T6556] dput+0x738/0xbc0
[ 66.175564][ T6556] shrink_dcache_for_umount+0x11f/0x330
[ 66.181097][ T6556] ? fuse_conn_destroy+0x1f2/0x280
[ 66.186207][ T6556] generic_shutdown_super+0x68/0x370
[ 66.191483][ T6556] kill_anon_super+0x36/0x60
[ 66.196067][ T6556] deactivate_locked_super+0x94/0x160
[ 66.201428][ T6556] deactivate_super+0xad/0xd0
[ 66.206099][ T6556] cleanup_mnt+0x3a2/0x540
[ 66.210513][ T6556] task_work_run+0xdd/0x1a0
[ 66.215017][ T6556] do_exit+0xc16/0x2b40
[ 66.219174][ T6556] ? mm_update_next_owner+0x7a0/0x7a0
[ 66.224536][ T6556] ? lock_downgrade+0x6e0/0x6e0
[ 66.229386][ T6556] do_group_exit+0x125/0x310
[ 66.233968][ T6556] get_signal+0x47d/0x2160
[ 66.238387][ T6556] ? call_rcu+0x2dd/0x740
[ 66.242711][ T6556] ? lockdep_hardirqs_on+0x79/0x100
[ 66.247906][ T6556] arch_do_signal_or_restart+0x2a9/0x1c40
[ 66.253617][ T6556] ? put_task_struct_rcu_user+0x7f/0xb0
[ 66.259154][ T6556] ? __schedule+0xaa2/0x4940
[ 66.263747][ T6556] ? wait_for_completion_io+0x270/0x270
[ 66.269291][ T6556] ? get_sigframe_size+0x10/0x10
[ 66.274223][ T6556] ? io_schedule_timeout+0x140/0x140
[ 66.279511][ T6556] ? fput+0x2a/0x50
[ 66.283324][ T6556] exit_to_user_mode_prepare+0x17d/0x290
[ 66.288954][ T6556] syscall_exit_to_user_mode+0x19/0x60
[ 66.294406][ T6556] do_syscall_64+0x42/0xb0
[ 66.298827][ T6556] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 66.304724][ T6556] RIP: 0033:0x7f4a17d79ef9
[ 66.309130][ T6556] Code: Unable to access opcode bytes at RIP 0x7f4a17d79ecf.
[ 66.316478][ T6556] RSP: 002b:00007f4a17d2b2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 66.324882][ T6556] RAX: 0000000000139000 RBX: 00007f4a17e074e0 RCX: 00007f4a17d79ef9
[ 66.332845][ T6556] RDX: 00000000fffffde4 RSI: 00000000200000c0 RDI: 0000000000000006
[ 66.340806][ T6556] RBP: 00007f4a17dd40d4 R08: 0000000000000000 R09: 0000000000000000
[ 66.348767][ T6556] R10: 0000000000000000 R11: 0000000000000246 R12: 0030656c69662f2e
[ 66.356727][ T6556] R13: 00007f4a17dd00c8 R14: 00007f4a17dd20d0 R15: 00007f4a17e074e8
[ 66.364708][ T6556]
[ 66.367890][ T6556] Kernel Offset: disabled
[ 66.372282][ T6556] Rebooting in 86400 seconds..