Warning: Permanently added '10.128.0.60' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 47.083142][ T8431] [U]  [ 47.086336][ T8431] ------------[ cut here ]------------ [ 47.096307][ T8431] WARNING: CPU: 1 PID: 8431 at lib/iov_iter.c:1090 iov_iter_revert+0x338/0xa00 [ 47.112285][ T8431] Modules linked in: [ 47.122815][ T8431] CPU: 1 PID: 8431 Comm: syz-executor733 Not tainted 5.11.0-rc7-syzkaller #0 [ 47.147714][ T8431] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.182942][ T8431] RIP: 0010:iov_iter_revert+0x338/0xa00 [ 47.194848][ T8431] Code: 80 3c 30 00 48 8b 5c 24 20 74 08 48 89 df e8 4f e7 f3 fd 4c 89 23 48 83 c4 70 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 78 74 b0 fd <0f> 0b eb e8 48 8d 6b 18 48 89 e8 48 c1 e8 03 42 80 3c 28 00 74 08 [ 47.221164][ T8431] RSP: 0018:ffffc90000fefcf0 EFLAGS: 00010293 [ 47.263721][ T8431] RAX: ffffffff83c76b98 RBX: ffffc90000fefe50 RCX: ffff88801f730000 [ 47.275399][ T8431] RDX: 0000000000000000 RSI: ffffffffffffffff RDI: 000000007ffff000 [ 47.304261][ T8431] RBP: ffffffffffffffff R08: ffffffff83c7689c R09: fffffbfff1f218a4 [ 47.318281][ T8431] R10: fffffbfff1f218a4 R11: 0000000000000000 R12: 0000000000000000 [ 47.328544][ T8431] R13: 0000000000000001 R14: ffffffffffffffff R15: ffff88801ae26000 [ 47.336537][ T8431] FS: 0000000002368300(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 47.352729][ T8431] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.398522][ T8431] CR2: 00007ffdba445557 CR3: 0000000026345000 CR4: 00000000001506f0 [ 47.406656][ T8431] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 47.420127][ T8431] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 47.428728][ T8431] Call Trace: [ 47.432114][ T8431] ? _raw_spin_unlock_irqrestore+0x40/0x60 [ 47.438338][ T8431] ? tpk_write+0x4ea/0x580 [ 47.442776][ T8431] file_tty_write+0x5f2/0x950 [ 47.448850][ T8431] ? gsmld_read+0x10/0x10 [ 47.453174][ T8431] vfs_write+0x896/0xab0 [ 47.458512][ T8431] ksys_write+0x11b/0x220 [ 47.462857][ T8431] do_syscall_64+0x2d/0x70 [ 47.467346][ T8431] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 47.473237][ T8431] RIP: 0033:0x43ee99 [ 47.477116][ T8431] Code: 28 c3 e8 2a 14 00 00 66 2e 0f 1f 84 00 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 47.497294][ T8431] RSP: 002b:00007ffd9d6ba768 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 47.505717][ T8431] RAX: ffffffffffffffda RBX: 0000000000400488 RCX: 000000000043ee99 [ 47.514837][ T8431] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003 [ 47.522957][ T8431] RBP: 0000000000402e80 R08: 0000000000400488 R09: 0000000000400488 [ 47.531099][ T8431] R10: 0000000000400488 R11: 0000000000000246 R12: 0000000000402f10 [ 47.539111][ T8431] R13: 0000000000000000 R14: 00000000004ac018 R15: 0000000000400488 [ 47.547309][ T8431] Kernel panic - not syncing: panic_on_warn set ... [ 47.553880][ T8431] CPU: 1 PID: 8431 Comm: syz-executor733 Not tainted 5.11.0-rc7-syzkaller #0 [ 47.562615][ T8431] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.572694][ T8431] Call Trace: [ 47.575956][ T8431] dump_stack+0x137/0x1be [ 47.580269][ T8431] ? panic+0x1f3/0x800 [ 47.584322][ T8431] panic+0x291/0x800 [ 47.588197][ T8431] ? __warn+0x13e/0x270 [ 47.592377][ T8431] __warn+0x26a/0x270 [ 47.596334][ T8431] ? iov_iter_revert+0x338/0xa00 [ 47.601261][ T8431] ? iov_iter_revert+0x338/0xa00 [ 47.606191][ T8431] report_bug+0x1b1/0x2e0 [ 47.610511][ T8431] handle_bug+0x3d/0x70 [ 47.614650][ T8431] exc_invalid_op+0x16/0x40 [ 47.619134][ T8431] asm_exc_invalid_op+0x12/0x20 [ 47.623970][ T8431] RIP: 0010:iov_iter_revert+0x338/0xa00 [ 47.629549][ T8431] Code: 80 3c 30 00 48 8b 5c 24 20 74 08 48 89 df e8 4f e7 f3 fd 4c 89 23 48 83 c4 70 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 78 74 b0 fd <0f> 0b eb e8 48 8d 6b 18 48 89 e8 48 c1 e8 03 42 80 3c 28 00 74 08 [ 47.649137][ T8431] RSP: 0018:ffffc90000fefcf0 EFLAGS: 00010293 [ 47.655185][ T8431] RAX: ffffffff83c76b98 RBX: ffffc90000fefe50 RCX: ffff88801f730000 [ 47.663138][ T8431] RDX: 0000000000000000 RSI: ffffffffffffffff RDI: 000000007ffff000 [ 47.671089][ T8431] RBP: ffffffffffffffff R08: ffffffff83c7689c R09: fffffbfff1f218a4 [ 47.679041][ T8431] R10: fffffbfff1f218a4 R11: 0000000000000000 R12: 0000000000000000 [ 47.686992][ T8431] R13: 0000000000000001 R14: ffffffffffffffff R15: ffff88801ae26000 [ 47.694949][ T8431] ? iov_iter_revert+0x3c/0xa00 [ 47.699782][ T8431] ? iov_iter_revert+0x338/0xa00 [ 47.704706][ T8431] ? _raw_spin_unlock_irqrestore+0x40/0x60 [ 47.710601][ T8431] ? tpk_write+0x4ea/0x580 [ 47.715017][ T8431] file_tty_write+0x5f2/0x950 [ 47.719689][ T8431] ? gsmld_read+0x10/0x10 [ 47.724016][ T8431] vfs_write+0x896/0xab0 [ 47.728280][ T8431] ksys_write+0x11b/0x220 [ 47.732595][ T8431] do_syscall_64+0x2d/0x70 [ 47.736992][ T8431] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 47.742911][ T8431] RIP: 0033:0x43ee99 [ 47.746793][ T8431] Code: 28 c3 e8 2a 14 00 00 66 2e 0f 1f 84 00 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 47.766377][ T8431] RSP: 002b:00007ffd9d6ba768 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 47.774786][ T8431] RAX: ffffffffffffffda RBX: 0000000000400488 RCX: 000000000043ee99 [ 47.782750][ T8431] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003 [ 47.790708][ T8431] RBP: 0000000000402e80 R08: 0000000000400488 R09: 0000000000400488 [ 47.798663][ T8431] R10: 0000000000400488 R11: 0000000000000246 R12: 0000000000402f10 [ 47.806616][ T8431] R13: 0000000000000000 R14: 00000000004ac018 R15: 0000000000400488 [ 47.815498][ T8431] Kernel Offset: disabled [ 47.819907][ T8431] Rebooting in 86400 seconds..