./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3685601519 <...> DUID 00:04:a1:af:59:a1:d1:b4:3c:07:ca:f1:84:99:36:26:44:c7 forked to background, child pid 4667 [ 20.671889][ T4668] 8021q: adding VLAN 0 to HW filter on device bond0 [ 20.680635][ T4668] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.10.17' (ECDSA) to the list of known hosts. execve("./syz-executor3685601519", ["./syz-executor3685601519"], 0x7fff8f73c050 /* 10 vars */) = 0 brk(NULL) = 0x555555c5f000 brk(0x555555c5fc40) = 0x555555c5fc40 arch_prctl(ARCH_SET_FS, 0x555555c5f300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor3685601519", 4096) = 28 brk(0x555555c80c40) = 0x555555c80c40 brk(0x555555c81000) = 0x555555c81000 mprotect(0x7fbe713ab000, 16384, PROT_READ) = 0 mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000 mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000 mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000 memfd_create("syzkaller", 0) = 3 mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fbe68ee6000 syzkaller login: [ 41.015116][ T5005] memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=5005 'syz-executor368' write(3, "\x58\x46\x53\x42\x00\x00\x02\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x5e\x62\x73\xb8\x21\x67\x42\xbb\x91\x1b\x41\x8a\xa1\x4a\x12\x61\x00\x00\x00\x00\x00\x00\x00\x42\x00\x00\x00\x00\x00\x00\x00\x20\x00\x00\x00\x00\x00\x00\x00\x24\x00\x00\x00\x00\x00\x00\x00\x22\x00\x00\x00\x08\x00\x00\x80\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x0b\x40"..., 33554432) = 33554432 munmap(0x7fbe68ee6000, 33554432) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 ioctl(4, LOOP_SET_FD, 3) = 0 close(3) = 0 mkdir("./file0", 0777) = 0 [ 41.191970][ T5005] loop0: detected capacity change from 0 to 65536 [ 41.205979][ T5005] XFS (loop0): Deprecated V4 format (crc=0) will not be supported after September 2030. [ 41.215891][ T5005] XFS (loop0): correcting sb_features alignment problem [ 41.223733][ T5005] XFS (loop0): Mounting V4 Filesystem 5e6273b8-2167-42bb-911b-418aa14a1261 [ 41.234348][ T5005] XFS (loop0): totally zeroed log [ 41.241125][ T5005] XFS (loop0): Ending clean mount [ 41.249106][ T5005] XFS (loop0): Quotacheck needed: Please wait. [ 41.259100][ T10] XFS (loop0): WARNING: Reset corrupted AGFL on AG 0. 4 blocks leaked. Please unmount and run xfs_repair. [ 41.264341][ T22] XFS (loop0): Metadata corruption detected at xfs_agi_verify+0x4d9/0x5c0, xfs_agi block 0x8002 [ 41.272290][ T10] XFS (loop0): Internal error !ino_ok at line 213 of file fs/xfs/libxfs/xfs_dir2.c. Caller xfs_dir_ino_validate+0x45/0xb0 [ 41.281129][ T22] XFS (loop0): Unmount and run xfs_repair [ 41.294109][ T10] CPU: 0 PID: 10 Comm: kworker/u4:0 Not tainted 6.4.0-rc6-syzkaller-00195-g40f71e7cd3c6 #0 [ 41.300020][ T22] XFS (loop0): First 128 bytes of corrupted metadata buffer: [ 41.309759][ T10] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 [ 41.309773][ T10] Workqueue: xfs_iwalk-5005 xfs_pwork_work [ 41.309798][ T10] Call Trace: [ 41.309805][ T10] [ 41.309812][ T10] dump_stack_lvl+0x136/0x150 [ 41.317706][ T22] 00000000: 58 41 47 49 00 00 00 01 00 00 00 01 00 00 80 00 XAGI............ [ 41.327219][ T10] xfs_corruption_error+0x133/0x160 [ 41.327253][ T10] ? xfs_dir_ino_validate+0x45/0xb0 [ 41.333439][ T22] 00000010: 00 00 00 00 00 00 00 06 00 00 00 01 00 00 00 00 ................ [ 41.336364][ T10] ? xfs_dir_ino_validate+0x45/0xb0 [ 41.336395][ T10] xfs_dir_ino_validate+0x74/0xb0 [ 41.339446][ T22] 00000020: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ................ [ 41.343959][ T10] ? xfs_dir_ino_validate+0x45/0xb0 [ 41.353787][ T22] 00000030: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ................ [ 41.358083][ T10] xfs_dir2_sf_verify+0x5a1/0xa50 [ 41.358128][ T10] xfs_ifork_verify_local_data+0xa1/0x130 [ 41.363623][ T22] 00000040: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ................ [ 41.372120][ T10] xfs_iformat_data_fork+0x493/0x570 [ 41.372154][ T10] xfs_inode_from_disk+0xb6d/0x1340 [ 41.372179][ T10] xfs_iget+0xa58/0x2df0 [ 41.377771][ T22] 00000050: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ................ [ 41.382393][ T10] ? _raw_spin_unlock+0x28/0x40 [ 41.391486][ T22] 00000060: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ................ [ 41.396380][ T10] ? xfs_inode_free+0x90/0x90 [ 41.396405][ T10] ? iput.part.0+0x73/0x740 [ 41.396436][ T10] xfs_qm_dqusage_adjust+0x15e/0x570 [ 41.405431][ T22] 00000070: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ................ [ 41.410245][ T10] ? xfs_qm_quotacheck_dqadjust+0x4e0/0x4e0 [ 41.416978][ T3487] XFS (loop0): metadata I/O error in "xfs_read_agi+0x284/0x550" at daddr 0x8002 len 1 error 117 [ 41.424829][ T10] ? mark_held_locks+0x9f/0xe0 [ 41.506434][ T10] ? kasan_quarantine_put+0xf9/0x220 [ 41.511736][ T10] ? lockdep_hardirqs_on+0x7d/0x100 [ 41.516948][ T10] ? xfs_qm_quotacheck_dqadjust+0x4e0/0x4e0 [ 41.522837][ T10] xfs_iwalk_ag_recs+0x449/0x770 [ 41.527772][ T10] xfs_iwalk_run_callbacks+0x1fa/0x4b0 [ 41.533223][ T10] xfs_iwalk_ag+0x731/0x930 [ 41.537803][ T10] ? xfs_iwalk_run_callbacks+0x4b0/0x4b0 [ 41.543427][ T10] ? xfs_trans_alloc_empty+0x8d/0xc0 [ 41.548707][ T10] ? xfs_trans_alloc+0x880/0x880 [ 41.553643][ T10] xfs_iwalk_ag_work+0x14a/0x1c0 [ 41.558666][ T10] ? xfs_iwalk_ag+0x930/0x930 [ 41.563328][ T10] xfs_pwork_work+0x7f/0x160 [ 41.567992][ T10] process_one_work+0x99a/0x15e0 [ 41.572929][ T10] ? pwq_dec_nr_in_flight+0x2a0/0x2a0 [ 41.578302][ T10] ? spin_bug+0x1c0/0x1c0 [ 41.582625][ T10] ? _raw_spin_lock_irq+0x45/0x50 [ 41.587652][ T10] worker_thread+0x67d/0x10c0 [ 41.592422][ T10] ? process_one_work+0x15e0/0x15e0 [ 41.597612][ T10] kthread+0x344/0x440 [ 41.601675][ T10] ? kthread_complete_and_exit+0x40/0x40 [ 41.607301][ T10] ret_from_fork+0x1f/0x30 [ 41.611716][ T10] [ 41.615006][ T10] XFS (loop0): Corruption detected. Unmount and run xfs_repair [ 41.622616][ T10] XFS (loop0): Invalid inode number 0x24 [ 41.628321][ T10] XFS (loop0): Metadata corruption detected at xfs_dir2_sf_verify+0x83f/0xa50, inode 0x23 data fork mount("/dev/loop0", "./file0", "xfs", MS_RDONLY|MS_NODEV|MS_LAZYTIME, "nolargeio,nolazytime,grpid,qnoenforce,quota,,nouuid") = 0 openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 chdir("./file0") = 0 ioctl(4, LOOP_CLR_FD) = 0 close(4) = 0 exit_group(0) = ? +++ exited with 0 +++ [ 41.639123][ T10] XFS (loop0): Unmount and run xf