Warning: Permanently added '10.128.1.15' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 131.794407][ T8496] loop0: detected capacity change from 0 to 92160 [ 131.809703][ T8496] ERROR: (device loop0): xtSearch: XT_GETPAGE: xtree page corrupt [ 131.809703][ T8496] [ 131.820947][ T8496] BUG: unable to handle page fault for address: ffffffffffffff80 [ 131.828830][ T8496] #PF: supervisor read access in kernel mode [ 131.834920][ T8496] #PF: error_code(0x0000) - not-present page [ 131.841127][ T8496] PGD b08f067 P4D b08f067 PUD b091067 PMD 0 [ 131.847325][ T8496] Oops: 0000 [#1] PREEMPT SMP KASAN [ 131.852975][ T8496] CPU: 1 PID: 8496 Comm: syz-executor960 Not tainted 5.10.0-rc4-next-20201118-syzkaller #0 [ 131.864693][ T8496] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 131.875400][ T8496] RIP: 0010:diFree+0x13d/0x2dc0 [ 131.880759][ T8496] Code: 28 48 8d 78 80 48 89 44 24 18 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 ef 23 00 00 48 8b 44 24 18 <4c> 8b 60 80 48 8b 44 24 20 49 8d 6c 24 04 48 c1 e8 0c 48 89 ea 48 [ 131.901592][ T8496] RSP: 0018:ffffc9000154f960 EFLAGS: 00010246 [ 131.909674][ T8496] RAX: 0000000000000000 RBX: ffff888020d3a400 RCX: ffffffff82aa4767 [ 131.918366][ T8496] RDX: 1ffffffffffffff0 RSI: ffffffff82ac7752 RDI: ffffffffffffff80 [ 131.927357][ T8496] RBP: 0000000000000000 R08: 0000000000000000 R09: ffff88803026090f [ 131.935417][ T8496] R10: 0000000000000000 R11: 0000000000000000 R12: ffff888030260db8 [ 131.943624][ T8496] R13: ffff888030260d08 R14: ffffffff8982eac0 R15: ffff888030260ce0 [ 131.952689][ T8496] FS: 0000000000c15880(0000) GS:ffff8880b9f00000(0000) knlGS:0000000000000000 [ 131.962915][ T8496] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 131.969688][ T8496] CR2: ffffffffffffff80 CR3: 0000000021074000 CR4: 00000000001506e0 [ 131.977672][ T8496] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 131.986215][ T8496] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 131.994401][ T8496] Call Trace: [ 131.997700][ T8496] ? truncate_inode_partial_page+0x720/0x720 [ 132.003684][ T8496] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 132.009667][ T8496] ? __dquot_initialize+0x298/0xc20 [ 132.014869][ T8496] ? find_held_lock+0x2d/0x110 [ 132.019945][ T8496] ? dquot_initialize_needed+0x290/0x290 [ 132.025661][ T8496] ? diWrite+0x1430/0x1430 [ 132.030077][ T8496] ? lock_downgrade+0x6d0/0x6d0 [ 132.034930][ T8496] ? var_wake_function+0x130/0x130 [ 132.040091][ T8496] ? rwlock_bug.part.0+0x90/0x90 [ 132.045096][ T8496] jfs_evict_inode+0x2c9/0x370 [ 132.050230][ T8496] ? jfs_write_inode+0x1e0/0x1e0 [ 132.055260][ T8496] evict+0x2ed/0x750 [ 132.059156][ T8496] iput.part.0+0x3fe/0x820 [ 132.063618][ T8496] iput+0x58/0x70 [ 132.067297][ T8496] diFreeSpecial+0x6f/0x90 [ 132.071974][ T8496] jfs_mount+0x23f/0x3d0 [ 132.076264][ T8496] jfs_fill_super+0x5b1/0xbc0 [ 132.080935][ T8496] ? init_once+0x130/0x130 [ 132.085445][ T8496] ? set_blocksize+0x1c1/0x400 [ 132.090231][ T8496] mount_bdev+0x32e/0x3f0 [ 132.094638][ T8496] ? init_once+0x130/0x130 [ 132.099070][ T8496] ? jfs_get_dquots+0x10/0x10 [ 132.103835][ T8496] legacy_get_tree+0x105/0x220 [ 132.108745][ T8496] vfs_get_tree+0x89/0x2f0 [ 132.113300][ T8496] path_mount+0x12ae/0x1e70 [ 132.118026][ T8496] ? strncpy_from_user+0x29e/0x3a0 [ 132.123303][ T8496] ? finish_automount+0xac0/0xac0 [ 132.128322][ T8496] ? getname_flags.part.0+0x1dd/0x4f0 [ 132.134107][ T8496] __x64_sys_mount+0x27f/0x300 [ 132.138871][ T8496] ? copy_mnt_ns+0xae0/0xae0 [ 132.144015][ T8496] ? syscall_enter_from_user_mode+0x1d/0x50 [ 132.150082][ T8496] do_syscall_64+0x2d/0x70 [ 132.154716][ T8496] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 132.160814][ T8496] RIP: 0033:0x446dea [ 132.164860][ T8496] Code: b8 08 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 fd ad 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 da ad fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 132.184932][ T8496] RSP: 002b:00007ffdbdaa9c68 EFLAGS: 00000283 ORIG_RAX: 00000000000000a5 [ 132.193851][ T8496] RAX: ffffffffffffffda RBX: 00007ffdbdaa9cb0 RCX: 0000000000446dea [ 132.202090][ T8496] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007ffdbdaa9c70 [ 132.210401][ T8496] RBP: 00007ffdbdaa9c70 R08: 00007ffdbdaa9cb0 R09: 6f6f6c2f7665642f [ 132.218461][ T8496] R10: 0000000000008001 R11: 0000000000000283 R12: 0000000000000004 [ 132.226956][ T8496] R13: 0000000000000003 R14: 0000000000000003 R15: 0000000000000006 [ 132.235219][ T8496] Modules linked in: [ 132.239206][ T8496] CR2: ffffffffffffff80 [ 132.243365][ T8496] ---[ end trace 8b1ef42e95bba606 ]--- [ 132.248914][ T8496] RIP: 0010:diFree+0x13d/0x2dc0 [ 132.254108][ T8496] Code: 28 48 8d 78 80 48 89 44 24 18 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 ef 23 00 00 48 8b 44 24 18 <4c> 8b 60 80 48 8b 44 24 20 49 8d 6c 24 04 48 c1 e8 0c 48 89 ea 48 [ 132.275154][ T8496] RSP: 0018:ffffc9000154f960 EFLAGS: 00010246 [ 132.281525][ T8496] RAX: 0000000000000000 RBX: ffff888020d3a400 RCX: ffffffff82aa4767 [ 132.289922][ T8496] RDX: 1ffffffffffffff0 RSI: ffffffff82ac7752 RDI: ffffffffffffff80 [ 132.298031][ T8496] RBP: 0000000000000000 R08: 0000000000000000 R09: ffff88803026090f [ 132.306154][ T8496] R10: 0000000000000000 R11: 0000000000000000 R12: ffff888030260db8 [ 132.314217][ T8496] R13: ffff888030260d08 R14: ffffffff8982eac0 R15: ffff888030260ce0 [ 132.322937][ T8496] FS: 0000000000c15880(0000) GS:ffff8880b9f00000(0000) knlGS:0000000000000000 [ 132.332526][ T8496] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 132.339396][ T8496] CR2: ffffffffffffff80 CR3: 0000000021074000 CR4: 00000000001506e0 [ 132.347497][ T8496] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 132.355608][ T8496] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 132.363577][ T8496] Kernel panic - not syncing: Fatal exception [ 132.371145][ T8496] Kernel Offset: disabled [ 132.375740][ T8496] Rebooting in 86400 seconds..