XFS (loop2): SB sanity check failed XFS (loop2): Metadata corruption detected at xfs_sb_read_verify+0x3e7/0x500 fs/xfs/libxfs/xfs_sb.c:685, xfs_sb block 0xffffffffffffffff XFS (loop2): Unmount and run xfs_repair XFS (loop2): First 128 bytes of corrupted metadata buffer: 000000006477bacd: 58 46 53 42 00 00 02 00 00 00 00 00 98 00 00 00 XFSB............ INFO: task syz-executor.4:19695 blocked for more than 140 seconds. Not tainted 4.19.211-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.4 D25136 19695 8131 0x00000004 Call Trace: context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 0000000072fddfad: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00000000f96767e7: 5e 62 73 b8 21 67 42 bb 91 1b 41 8a a1 4a 12 61 ^bs.!gB...A..J.a 000000000e8725f7: 00 00 00 00 00 00 80 40 00 00 00 00 00 00 00 20 .......@....... schedule+0x8d/0x1b0 kernel/sched/core.c:3561 00000000cff9885e: 00 00 00 00 00 00 00 21 00 00 00 00 00 00 00 22 .......!......." 00000000bda1d111: 00 00 00 08 00 00 80 00 00 00 00 02 00 00 00 00 ................ xlog_grant_head_wait+0x13b/0xcd0 fs/xfs/xfs_log.c:263 xlog_grant_head_check+0x3c8/0x420 fs/xfs/xfs_log.c:325 000000009629a093: 00 00 0b 40 b4 b4 02 00 01 00 00 02 00 00 00 00 ...@............ xfs_log_reserve+0x347/0xa70 fs/xfs/xfs_log.c:454 00000000352c3d5c: 00 00 00 00 00 00 00 00 09 09 08 01 0f 00 00 19 ................ xfs_trans_reserve+0x63a/0x9c0 fs/xfs/xfs_trans.c:197 XFS (loop2): SB validate failed with error -117. xfs_trans_alloc+0x2f7/0x700 fs/xfs/xfs_trans.c:289 xfs_qm_qino_alloc+0x19a/0x950 fs/xfs/xfs_qm.c:777 xfs_qm_init_quotainos+0x5cd/0x730 fs/xfs/xfs_qm.c:1556 xfs_qm_init_quotainfo+0x146/0xd70 fs/xfs/xfs_qm.c:659 xfs_qm_mount_quotas+0x55/0x680 fs/xfs/xfs_qm.c:1432 xfs_mountfs+0x17e2/0x1bf0 fs/xfs/xfs_mount.c:1001 xfs_fs_fill_super+0xd0e/0x1540 fs/xfs/xfs_super.c:1720 mount_bdev+0x2fc/0x3b0 fs/super.c:1158 mount_fs+0xa3/0x310 fs/super.c:1261 vfs_kern_mount.part.0+0x68/0x470 fs/namespace.c:961 vfs_kern_mount fs/namespace.c:951 [inline] do_new_mount fs/namespace.c:2492 [inline] do_mount+0x115c/0x2f50 fs/namespace.c:2822 ksys_mount+0xcf/0x130 fs/namespace.c:3038 __do_sys_mount fs/namespace.c:3052 [inline] __se_sys_mount fs/namespace.c:3049 [inline] __x64_sys_mount+0xba/0x150 fs/namespace.c:3049 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f33f00de62a Code: Bad RIP value. RSP: 002b:00007f33ee64ef88 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 000000000000baed RCX: 00007f33f00de62a RDX: 000000002000bb00 RSI: 000000002000bb40 RDI: 00007f33ee64efe0 RBP: 00007f33ee64f020 R08: 00007f33ee64f020 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000202 R12: 000000002000bb00 R13: 000000002000bb40 R14: 00007f33ee64efe0 R15: 00000000200005c0 Showing all locks held in the system: 1 lock held by khungtaskd/1570: #0: 00000000ec0d54c6 (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 kernel/locking/lockdep.c:4441 1 lock held by in:imklog/7754: #0: 0000000068baa249 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0x26f/0x310 fs/file.c:767 2 locks held by agetty/1527: #0: 000000004f3af924 (&tty->ldisc_sem){++++}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:272 #1: 0000000026301295 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x217/0x1950 drivers/tty/n_tty.c:2154 2 locks held by syz-executor.4/19695: #0: 00000000889f3d18 (&type->s_umount_key#49/1){+.+.}, at: alloc_super fs/super.c:226 [inline] #0: 00000000889f3d18 (&type->s_umount_key#49/1){+.+.}, at: sget_userns+0x20b/0xcd0 fs/super.c:519 #1: 0000000060cdb8ea (sb_internal#3){.+.+}, at: sb_start_intwrite include/linux/fs.h:1626 [inline] #1: 0000000060cdb8ea (sb_internal#3){.+.+}, at: xfs_trans_alloc+0x4fc/0x700 fs/xfs/xfs_trans.c:271 2 locks held by syz-executor.5/24278: 3 locks held by syz-executor.3/24281: 2 locks held by syz-executor.2/24279: ============================================= NMI backtrace for cpu 0 CPU: 0 PID: 1570 Comm: khungtaskd Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2ef lib/dump_stack.c:118 nmi_cpu_backtrace.cold+0x63/0xa2 lib/nmi_backtrace.c:101 nmi_trigger_cpumask_backtrace+0x1a6/0x1f0 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:203 [inline] watchdog+0x991/0xe60 kernel/hung_task.c:287 kthread+0x33f/0x460 kernel/kthread.c:259 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 24281 Comm: syz-executor.3 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023 RIP: 0010:__sanitizer_cov_trace_pc+0x22/0x50 kernel/kcov.c:101 Code: 90 90 90 90 90 90 90 90 48 8b 34 24 65 48 8b 04 25 c0 df 01 00 65 8b 15 cc 59 9f 7e 81 e2 00 01 1f 00 75 2b 8b 90 60 13 00 00 <83> fa 02 75 20 48 8b 88 68 13 00 00 8b 80 64 13 00 00 48 8b 11 48 RSP: 0018:ffff8880480df780 EFLAGS: 00000246 RAX: ffff88804c954180 RBX: ffff8880a8e7da60 RCX: ffffc900072dd000 RDX: 0000000000000002 RSI: ffffffff81855803 RDI: 00000000006200ca RBP: 1ffff1100901bef1 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000001742 R13: 00000000006200ca R14: dffffc0000000000 R15: 0000000000000000 FS: 00007faea432c700(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c02f20a000 CR3: 00000000b2437000 CR4: 00000000003406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: memset include/linux/string.h:362 [inline] vma_init include/linux/mm.h:459 [inline] shmem_pseudo_vma_init mm/shmem.c:1428 [inline] shmem_alloc_page+0x83/0x1f0 mm/shmem.c:1493 shmem_alloc_and_acct_page+0x15a/0x850 mm/shmem.c:1519 shmem_getpage_gfp+0x4e9/0x37f0 mm/shmem.c:1797 shmem_getpage mm/shmem.c:132 [inline] shmem_write_begin+0xff/0x1e0 mm/shmem.c:2446 generic_perform_write+0x1f8/0x4d0 mm/filemap.c:3170 __generic_file_write_iter+0x24b/0x610 mm/filemap.c:3295 generic_file_write_iter+0x3f8/0x730 mm/filemap.c:3323 call_write_iter include/linux/fs.h:1821 [inline] new_sync_write fs/read_write.c:474 [inline] __vfs_write+0x51b/0x770 fs/read_write.c:487 vfs_write+0x1f3/0x540 fs/read_write.c:549 ksys_write+0x12b/0x2a0 fs/read_write.c:599 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7faea5d6be7f Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 RSP: 002b:00007faea432bf10 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007faea5d6be7f RDX: 0000000002000000 RSI: 00007fae9bf0c000 RDI: 0000000000000003 RBP: 00007fae9bf0c000 R08: 0000000000000000 R09: 000000000000bae2 R10: 0000000002000000 R11: 0000000000000293 R12: 0000000000000000 R13: 00007faea432bfdc R14: 00007faea432bfe0 R15: 000000002000bbc2