IPVS: ftp: loaded support on port[0] = 21 EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue Quota error (device loop0): qtree_write_dquot: Error -2147481216 occurred while creating quota BUG: unable to handle kernel paging request at fffffbfff000014f PGD 21ffed067 P4D 21ffed067 PUD 21ffec067 PMD 0 Oops: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 6501 Comm: syz-executor094 Not tainted 4.19.150-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:bytes_is_nonzero mm/kasan/kasan.c:167 [inline] RIP: 0010:memory_is_nonzero mm/kasan/kasan.c:184 [inline] RIP: 0010:memory_is_poisoned_n mm/kasan/kasan.c:210 [inline] RIP: 0010:memory_is_poisoned mm/kasan/kasan.c:241 [inline] RIP: 0010:check_memory_region_inline mm/kasan/kasan.c:257 [inline] RIP: 0010:check_memory_region+0xc8/0x170 mm/kasan/kasan.c:267 Code: 39 d0 74 0e 80 38 00 74 f2 48 85 c0 0f 85 9c 00 00 00 5b 5d 41 5c c3 48 85 d2 74 f6 48 01 ea eb 09 48 83 c0 01 48 39 d0 74 e8 <80> 38 00 74 f2 eb d8 41 bc 08 00 00 00 48 89 ea 45 29 dc 4e 8d 5c RSP: 0018:ffff8880a47c7870 EFLAGS: 00010296 RAX: fffffbfff000014f RBX: fffffbfff0000150 RCX: ffffffff81d2475e RDX: fffffbfff0000150 RSI: 0000000000000004 RDI: ffffffff80000a78 RBP: fffffbfff000014f R08: 0000000000000000 R09: fffffbfff000014f R10: ffffffff80000a7b R11: 0000000000000001 R12: ffffffff80000a78 R13: 0000000000000003 R14: fffffbfff000014f R15: ffff888080039718 FS: 00000000023c4880(0000) GS:ffff8880ae200000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: fffffbfff000014f CR3: 0000000099b31000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: atomic_read include/asm-generic/atomic-instrumented.h:21 [inline] dqput.part.0+0xae/0x850 fs/quota/dquot.c:765 dqput fs/quota/dquot.c:752 [inline] dqput_all fs/quota/dquot.c:391 [inline] __dquot_drop+0x1c6/0x2a0 fs/quota/dquot.c:1568 dquot_drop+0x14b/0x1a0 fs/quota/dquot.c:1593 ext4_clear_inode+0x31/0x1d0 fs/ext4/super.c:1180 ext4_evict_inode+0x25b/0x1830 fs/ext4/inode.c:348 evict+0x2ed/0x780 fs/inode.c:559 dispose_list+0x124/0x1f0 fs/inode.c:594 evict_inodes+0x341/0x430 fs/inode.c:644 generic_shutdown_super+0xb3/0x370 fs/super.c:448 kill_block_super+0x97/0xf0 fs/super.c:1185 deactivate_locked_super+0x8c/0x100 fs/super.c:329 deactivate_super+0x174/0x1a0 fs/super.c:360 cleanup_mnt+0x1da/0x300 fs/namespace.c:1098 task_work_run+0x141/0x1c0 kernel/task_work.c:113 exit_task_work include/linux/task_work.h:22 [inline] do_exit+0xc09/0x2d80 kernel/exit.c:887 do_group_exit+0x125/0x320 kernel/exit.c:990 __do_sys_exit_group kernel/exit.c:1001 [inline] __se_sys_exit_group kernel/exit.c:999 [inline] __x64_sys_exit_group+0x3a/0x50 kernel/exit.c:999 do_syscall_64+0xf9/0x670 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x443918 Code: Bad RIP value. RSP: 002b:00007ffeaad2c368 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000443918 RDX: 0000000000000001 RSI: 000000000000003c RDI: 0000000000000001 RBP: 00000000004c3e30 R08: 00000000000000e7 R09: ffffffffffffffd0 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00000000006d6180 R14: 0000000000000000 R15: 0000000000000000 Modules linked in: CR2: fffffbfff000014f ---[ end trace b26dab5c4ecd8850 ]--- RIP: 0010:bytes_is_nonzero mm/kasan/kasan.c:167 [inline] RIP: 0010:memory_is_nonzero mm/kasan/kasan.c:184 [inline] RIP: 0010:memory_is_poisoned_n mm/kasan/kasan.c:210 [inline] RIP: 0010:memory_is_poisoned mm/kasan/kasan.c:241 [inline] RIP: 0010:check_memory_region_inline mm/kasan/kasan.c:257 [inline] RIP: 0010:check_memory_region+0xc8/0x170 mm/kasan/kasan.c:267 Code: 39 d0 74 0e 80 38 00 74 f2 48 85 c0 0f 85 9c 00 00 00 5b 5d 41 5c c3 48 85 d2 74 f6 48 01 ea eb 09 48 83 c0 01 48 39 d0 74 e8 <80> 38 00 74 f2 eb d8 41 bc 08 00 00 00 48 89 ea 45 29 dc 4e 8d 5c RSP: 0018:ffff8880a47c7870 EFLAGS: 00010296 RAX: fffffbfff000014f RBX: fffffbfff0000150 RCX: ffffffff81d2475e RDX: fffffbfff0000150 RSI: 0000000000000004 RDI: ffffffff80000a78 RBP: fffffbfff000014f R08: 0000000000000000 R09: fffffbfff000014f R10: ffffffff80000a7b R11: 0000000000000001 R12: ffffffff80000a78 R13: 0000000000000003 R14: fffffbfff000014f R15: ffff888080039718 FS: 00000000023c4880(0000) GS:ffff8880ae200000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000004438ee CR3: 0000000099b31000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400