Warning: Permanently added '10.128.1.35' (ECDSA) to the list of known hosts. syzkaller login: [ 41.379870][ T3598] general protection fault, probably for non-canonical address 0xdffffc0000000002: 0000 [#1] PREEMPT SMP KASAN [ 41.391624][ T3598] KASAN: null-ptr-deref in range [0x0000000000000010-0x0000000000000017] [ 41.400079][ T3598] CPU: 0 PID: 3598 Comm: syz-executor317 Not tainted 6.1.0-rc2-syzkaller-00078-g98555239e4c3 #0 [ 41.410491][ T3598] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 [ 41.420532][ T3598] RIP: 0010:dbgfs_rm_context_write+0x2e3/0x4d0 [ 41.426686][ T3598] Code: 00 4d 8b 36 4c 39 34 24 0f 84 e4 00 00 00 e8 34 c3 a7 ff 48 8b 44 24 18 49 63 d4 48 c1 e2 03 48 8d 34 10 48 89 f7 48 c1 ef 03 <80> 3c 2f 00 0f 85 6b 01 00 00 48 8b 05 2c 85 52 0f 4c 89 36 41 83 [ 41.446300][ T3598] RSP: 0018:ffffc90003c2fc90 EFLAGS: 00010202 [ 41.452370][ T3598] RAX: 0000000000000010 RBX: 0000000000000000 RCX: 0000000000000000 [ 41.460341][ T3598] RDX: 0000000000000000 RSI: 0000000000000010 RDI: 0000000000000002 [ 41.468327][ T3598] RBP: dffffc0000000000 R08: 0000000000000005 R09: 0000000000000000 [ 41.476317][ T3598] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000 [ 41.484295][ T3598] R13: ffff888073a60000 R14: ffff888011c5b490 R15: 0000000000000000 [ 41.492272][ T3598] FS: 0000000000000000(0000) GS:ffff8880b9a00000(0063) knlGS:00000000571262c0 [ 41.501207][ T3598] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 [ 41.507890][ T3598] CR2: 000000002000f000 CR3: 0000000026e53000 CR4: 00000000003506f0 [ 41.515894][ T3598] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 41.523876][ T3598] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 41.531848][ T3598] Call Trace: [ 41.535125][ T3598] [ 41.538058][ T3598] full_proxy_write+0x118/0x180 [ 41.542926][ T3598] vfs_write+0x2d7/0xdd0 [ 41.547444][ T3598] ? full_proxy_poll+0x170/0x170 [ 41.552386][ T3598] ? kernel_write+0x630/0x630 [ 41.557074][ T3598] ? lock_acquire+0x4fc/0x630 [ 41.561758][ T3598] ? rcu_read_lock_sched_held+0xd/0x70 [ 41.567219][ T3598] ? lock_release+0x5cb/0x810 [ 41.571919][ T3598] ? __ct_user_exit+0xff/0x150 [ 41.576711][ T3598] ? lock_downgrade+0x6e0/0x6e0 [ 41.581578][ T3598] ? lock_downgrade+0x6e0/0x6e0 [ 41.586437][ T3598] ? __fget_light+0x20a/0x270 [ 41.591827][ T3598] ksys_write+0x127/0x250 [ 41.596174][ T3598] ? __ia32_sys_read+0xb0/0xb0 [ 41.600956][ T3598] __do_fast_syscall_32+0x65/0xf0 [ 41.606007][ T3598] do_fast_syscall_32+0x2f/0x70 [ 41.610873][ T3598] entry_SYSENTER_compat_after_hwframe+0x70/0x82 [ 41.617223][ T3598] RIP: 0023:0xf7e62549 [ 41.621291][ T3598] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00 [ 41.640901][ T3598] RSP: 002b:00000000ffc2d32c EFLAGS: 00000213 ORIG_RAX: 0000000000000004 [ 41.649319][ T3598] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000020000080 [ 41.657296][ T3598] RDX: 000000000000fe6c RSI: 0000000000000004 RDI: 0000000000000003 [ 41.665448][ T3598] RBP: 0000000020000040 R08: 0000000000000000 R09: 0000000000000000 [ 41.673447][ T3598] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 executing program [ 41.681431][ T3598] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 41.689414][ T3598] [ 41.692430][ T3598] Modules linked in: [ 41.696541][ T3598] ---[ end trace 0000000000000000 ]--- [ 41.702143][ T3598] RIP: 0010:dbgfs_rm_context_write+0x2e3/0x4d0 [ 41.708476][ T3598] Code: 00 4d 8b 36 4c 39 34 24 0f 84 e4 00 00 00 e8 34 c3 a7 ff 48 8b 44 24 18 49 63 d4 48 c1 e2 03 48 8d 34 10 48 89 f7 48 c1 ef 03 <80> 3c 2f 00 0f 85 6b 01 00 00 48 8b 05 2c 85 52 0f 4c 89 36 41 83 [ 41.728171][ T3598] RSP: 0018:ffffc90003c2fc90 EFLAGS: 00010202 [ 41.734257][ T3598] RAX: 0000000000000010 RBX: 0000000000000000 RCX: 0000000000000000 [ 41.742451][ T3598] RDX: 0000000000000000 RSI: 0000000000000010 RDI: 0000000000000002 [ 41.750568][ T3598] RBP: dffffc0000000000 R08: 0000000000000005 R09: 0000000000000000 [ 41.758642][ T3598] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000 [ 41.766710][ T3598] R13: ffff888073a60000 R14: ffff888011c5b490 R15: 0000000000000000 [ 41.774682][ T3598] FS: 0000000000000000(0000) GS:ffff8880b9a00000(0063) knlGS:00000000571262c0 [ 41.783743][ T3598] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 [ 41.790378][ T3598] CR2: 000056249bd6c098 CR3: 0000000026e53000 CR4: 00000000003506f0 [ 41.798500][ T3598] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 41.806681][ T3598] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 41.814666][ T3598] Kernel panic - not syncing: Fatal exception [ 41.820906][ T3598] Kernel Offset: disabled [ 41.825220][ T3598] Rebooting in 86400 seconds..