Warning: Permanently added '10.128.1.14' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 32.818227] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 32.837665] Quota error (device loop0): qtree_write_dquot: Error -884885875 occurred while creating quota [ 32.849694] BUG: unable to handle kernel paging request at fffffbfff96836ec [ 32.856799] PGD 23fff1067 P4D 23fff1067 PUD 23fff0067 PMD 0 [ 32.862583] Oops: 0000 [#1] PREEMPT SMP KASAN [ 32.867060] CPU: 1 PID: 8086 Comm: syz-executor396 Not tainted 4.19.211-syzkaller #0 [ 32.874927] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 32.884271] RIP: 0010:__lock_acquire+0x1eb/0x3ff0 [ 32.889089] Code: 2b 29 00 00 48 81 c4 98 01 00 00 44 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 48 b8 00 00 00 00 00 fc ff df 4c 89 f2 48 c1 ea 03 <80> 3c 02 00 0f 85 b3 2a 00 00 49 81 3e 20 f2 66 8c 0f 84 65 ff ff [ 32.907968] RSP: 0018:ffff88808d0d7608 EFLAGS: 00010803 [ 32.913308] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 32.920553] RDX: 1ffffffff96836ec RSI: 0000000000000000 RDI: 0000000000000001 [ 32.927797] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000001 [ 32.935043] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000000 [ 32.942292] R13: ffff8880b34f0080 R14: ffffffffcb41b765 R15: 0000000000000001 [ 32.949555] FS: 00005555571cd300(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 [ 32.957761] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 32.963621] CR2: fffffbfff96836ec CR3: 00000000ab871000 CR4: 00000000003406e0 [ 32.970871] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 32.978121] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 32.985373] Call Trace: [ 32.987943] ? mark_held_locks+0xf0/0xf0 [ 32.991989] ? __getblk_gfp+0x48/0x70 [ 32.995769] ? mark_held_locks+0xf0/0xf0 [ 32.999808] ? dquot_add_space+0x3e6/0x10e0 [ 33.004111] ? lock_downgrade+0x720/0x720 [ 33.008240] ? lock_acquire+0x170/0x3c0 [ 33.012193] ? dquot_add_space+0x65/0x10e0 [ 33.016403] ? lock_acquire+0x170/0x3c0 [ 33.020354] ? do_raw_spin_unlock+0x171/0x230 [ 33.024831] lock_acquire+0x170/0x3c0 [ 33.028610] ? __dquot_transfer+0x5de/0x18a0 [ 33.033000] _raw_spin_lock+0x2a/0x40 [ 33.036781] ? __dquot_transfer+0x5de/0x18a0 [ 33.041167] __dquot_transfer+0x5de/0x18a0 [ 33.045382] ? dqget+0x6fa/0xfc0 [ 33.048727] ? __dquot_alloc_space+0x860/0x860 [ 33.053290] ? lock_downgrade+0x720/0x720 [ 33.057415] ? mutex_trylock+0x1a0/0x1a0 [ 33.061452] ? __mutex_unlock_slowpath+0xea/0x610 [ 33.066278] ? wait_for_completion_io+0x10/0x10 [ 33.070926] ? percpu_counter_add_batch+0x126/0x180 [ 33.075927] ? dqget+0x171/0xfc0 [ 33.079286] ? dquot_writeback_dquots+0x9e0/0x9e0 [ 33.084106] dquot_transfer+0x2ee/0x4c0 [ 33.088065] ? __dquot_transfer+0x18a0/0x18a0 [ 33.092537] ? ext4_setattr+0x57f/0x2560 [ 33.096578] ext4_setattr+0x58a/0x2560 [ 33.100447] ? evm_verify_current_integrity+0x87/0xf0 [ 33.105615] ? evm_inode_setattr+0x6a/0x170 [ 33.110003] ? ext4_evict_inode+0x17b0/0x17b0 [ 33.114479] notify_change+0x70b/0xfc0 [ 33.118345] chown_common+0x4a9/0x550 [ 33.122127] ? chmod_common+0x3f0/0x3f0 [ 33.126083] ? check_preemption_disabled+0x41/0x280 [ 33.131077] ? preempt_count_add+0xaf/0x190 [ 33.135481] ? __mnt_want_write+0x22c/0x2c0 [ 33.139781] do_fchownat+0x126/0x1e0 [ 33.143471] ? __ia32_sys_chmod+0x80/0x80 [ 33.147601] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 33.152957] ? trace_hardirqs_off_caller+0x6e/0x210 [ 33.157953] __x64_sys_lchown+0x7a/0xc0 [ 33.161906] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 33.166464] do_syscall_64+0xf9/0x620 [ 33.170252] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 33.175420] RIP: 0033:0x7f1c68b4e2f9 [ 33.179113] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 [ 33.197998] RSP: 002b:00007fff28b1cb08 EFLAGS: 00000246 ORIG_RAX: 000000000000005e [ 33.205682] RAX: ffffffffffffffda RBX: 0030656c69662f2e RCX: 00007f1c68b4e2f9 [ 33.212936] RDX: 00000000ffffff00 RSI: 0000000000000000 RDI: 0000000020000000 [ 33.220185] RBP: 00007f1c68b0db90 R08: 0000000000000000 R09: 0000000000000000 [ 33.227429] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f1c68b0dc20 [ 33.234678] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 33.241927] Modules linked in: [ 33.245103] CR2: fffffbfff96836ec [ 33.248536] ---[ end trace bb0f07aea1715838 ]--- [ 33.253272] RIP: 0010:__lock_acquire+0x1eb/0x3ff0 [ 33.258091] Code: 2b 29 00 00 48 81 c4 98 01 00 00 44 89 f8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 48 b8 00 00 00 00 00 fc ff df 4c 89 f2 48 c1 ea 03 <80> 3c 02 00 0f 85 b3 2a 00 00 49 81 3e 20 f2 66 8c 0f 84 65 ff ff [ 33.276971] RSP: 0018:ffff88808d0d7608 EFLAGS: 00010803 [ 33.282311] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 33.289555] RDX: 1ffffffff96836ec RSI: 0000000000000000 RDI: 0000000000000001 [ 33.297147] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000001 [ 33.304394] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000000 [ 33.311639] R13: ffff8880b34f0080 R14: ffffffffcb41b765 R15: 0000000000000001 [ 33.318888] FS: 00005555571cd300(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 [ 33.327090] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 33.332951] CR2: fffffbfff96836ec CR3: 00000000ab871000 CR4: 00000000003406e0 [ 33.340239] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 33.347488] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 33.354735] Kernel panic - not syncing: Fatal exception [ 33.360238] Kernel Offset: disabled [ 33.363846] Rebooting in 86400 seconds..