./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2641761102 <...> Warning: Permanently added '10.128.1.48' (ED25519) to the list of known hosts. execve("./syz-executor2641761102", ["./syz-executor2641761102"], 0x7ffe41567d90 /* 10 vars */) = 0 brk(NULL) = 0x555560128000 brk(0x555560128d00) = 0x555560128d00 arch_prctl(ARCH_SET_FS, 0x555560128380) = 0 set_tid_address(0x555560128650) = 282 set_robust_list(0x555560128660, 24) = 0 rseq(0x555560128ca0, 0x20, 0, 0x53053053) = -1 ENOSYS (Function not implemented) prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2641761102", 4096) = 28 getrandom("\x83\x39\xe8\x25\x3e\x50\xd7\xb2", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555560128d00 brk(0x555560149d00) = 0x555560149d00 brk(0x55556014a000) = 0x55556014a000 mprotect(0x7fcd18acf000, 16384, PROT_READ) = 0 mmap(0x1ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffffffff000 mmap(0x200000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200000000000 mmap(0x200001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200001000000 mkdir("./syzkaller.C0YJcf", 0700) = 0 chmod("./syzkaller.C0YJcf", 0777) = 0 chdir("./syzkaller.C0YJcf") = 0 mkdir("./0", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555560128650) = 283 ./strace-static-x86_64: Process 283 attached [pid 283] set_robust_list(0x555560128660, 24) = 0 [pid 283] chdir("./0") = 0 [pid 283] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 283] setpgid(0, 0) = 0 executing program [pid 283] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 283] write(3, "1000", 4) = 4 [pid 283] close(3) = 0 [pid 283] symlink("/dev/binderfs", "./binderfs") = 0 [pid 283] write(1, "executing program\n", 18) = 18 [pid 283] memfd_create("syzkaller", 0) = 3 [pid 283] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fcd1060c000 [ 26.150805][ T24] audit: type=1400 audit(1750881985.890:64): avc: denied { execmem } for pid=282 comm="syz-executor264" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 26.173312][ T24] audit: type=1400 audit(1750881985.910:65): avc: denied { read write } for pid=282 comm="syz-executor264" name="loop0" dev="devtmpfs" ino=115 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 26.205005][ T24] audit: type=1400 audit(1750881985.910:66): avc: denied { open } for pid=282 comm="syz-executor264" path="/dev/loop0" dev="devtmpfs" ino=115 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 26.230498][ T24] audit: type=1400 audit(1750881985.910:67): avc: denied { ioctl } for pid=282 comm="syz-executor264" path="/dev/loop0" dev="devtmpfs" ino=115 ioctlcmd=0x4c01 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [pid 283] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 67108864) = 67108864 [pid 283] munmap(0x7fcd1060c000, 138412032) = 0 [pid 283] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 283] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 283] close(3) = 0 [pid 283] close(4) = 0 [pid 283] mkdir("./file0", 0777) = 0 [ 26.530441][ T24] audit: type=1400 audit(1750881986.270:68): avc: denied { mounton } for pid=283 comm="syz-executor264" path="/root/syzkaller.C0YJcf/0/file0" dev="sda1" ino=2027 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 26.530713][ T283] F2FS-fs (loop0): Wrong CP boundary, start(512) end(198144) blocks(1024) [ 26.565325][ T283] F2FS-fs (loop0): Can't find valid F2FS filesystem in 2th superblock [ 26.574679][ T283] F2FS-fs (loop0): invalid crc value [pid 283] mount("/dev/loop0", "./file0", "f2fs", 0, "") = 0 [pid 283] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 283] chdir("./file0") = 0 [pid 283] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 283] ioctl(4, LOOP_CLR_FD) = 0 [ 26.583267][ T283] F2FS-fs (loop0): Found nat_bits in checkpoint [ 26.605140][ T283] F2FS-fs (loop0): Try to recover 2th superblock, ret: 0 [ 26.612496][ T283] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e4 [pid 283] close(4) = 0 [ 26.622728][ T24] audit: type=1400 audit(1750881986.360:69): avc: denied { mount } for pid=283 comm="syz-executor264" name="/" dev="loop0" ino=3 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1 [ 26.645615][ T24] audit: type=1400 audit(1750881986.380:70): avc: denied { write } for pid=283 comm="syz-executor264" name="/" dev="loop0" ino=3 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1 [ 26.646232][ T283] fscrypt (loop0, inode 8): Error -61 getting encryption context [pid 283] openat(AT_FDCWD, "./file2", O_RDWR|O_CREAT, 0452) = -1 ENODATA (No data available) [pid 283] rename("./file0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 283] clone(child_stack=NULL, flags=0) = 291 [pid 283] exit_group(0) = ? [pid 283] +++ exited with 0 +++ ./strace-static-x86_64: Process 291 attached [pid 282] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=283, si_uid=0, si_status=0, si_utime=17, si_stime=24} --- [pid 282] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 282] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 282] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 282] getdents64(3, 0x5555601296f0 /* 4 entries */, 32768) = 112 [pid 282] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EBUSY (Device or resource busy) [pid 282] newfstatat(AT_FDCWD, "./0/file0", {st_mode=S_IFDIR|0755, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 282] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EBUSY (Device or resource busy) [pid 282] openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 282] newfstatat(4, "", {st_mode=S_IFDIR|0755, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 282] getdents64(4, 0x555560131730 /* 7 entries */, 32768) = 448 [pid 282] umount2("./0/file0/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 282] newfstatat(AT_FDCWD, "./0/file0/file1", {st_mode=S_IFREG|0755, st_size=10, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 282] unlink("./0/file0/file1") = 0 [pid 282] umount2("./0/file0/file2", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 282] newfstatat(AT_FDCWD, "./0/file0/file2", {st_mode=S_IFREG|0755, st_size=9000, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 282] unlink("./0/file0/file2") = 0 [pid 282] umount2("./0/file0/file3", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 282] newfstatat(AT_FDCWD, "./0/file0/file3", {st_mode=S_IFREG|0755, st_size=9000, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 26.668240][ T24] audit: type=1400 audit(1750881986.380:71): avc: denied { add_name } for pid=283 comm="syz-executor264" name="file2" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1 [ 26.681053][ T282] F2FS-fs (loop0): dec_valid_node_count: inconsistent i_blocks, ino:7, iblocks:0 [ 26.697315][ T24] audit: type=1400 audit(1750881986.380:72): avc: denied { create } for pid=283 comm="syz-executor264" name="file2" scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:unlabeled_t tclass=file permissive=1 [ 26.710090][ T282] ------------[ cut here ]------------ [ 26.727248][ T24] audit: type=1400 audit(1750881986.380:73): avc: denied { read write } for pid=283 comm="syz-executor264" name="file2" dev="loop0" ino=8 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=file permissive=1 [ 26.755861][ T282] WARNING: CPU: 1 PID: 282 at fs/f2fs/inode.c:854 f2fs_evict_inode+0x1168/0x1420 [ 26.765066][ T282] Modules linked in: [ 26.769116][ T282] CPU: 1 PID: 282 Comm: syz-executor264 Not tainted 5.10.238-syzkaller-00008-g59e9a7228857 #0 [pid 282] unlink("./0/file0/file3" [pid 291] exit(0) = ? [pid 291] +++ exited with 0 +++ [ 26.779374][ T282] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/29/2025 [ 26.789817][ T282] RIP: 0010:f2fs_evict_inode+0x1168/0x1420 [ 26.795777][ T282] Code: 24 58 4c 8b 64 24 18 eb 0a e8 b4 78 67 ff 4c 8b 7c 24 58 4c 8b 74 24 20 48 89 df e8 92 de 02 00 e9 b1 fc ff ff e8 98 78 67 ff <0f> 0b 4c 89 f7 be 08 00 00 00 e8 e9 6a a1 ff f0 41 80 0e 04 e9 89 [ 26.815951][ T282] RSP: 0018:ffffc90000b27ae0 EFLAGS: 00010293 [ 26.822082][ T282] RAX: ffffffff81fc1b78 RBX: ffff88811a7ea6a0 RCX: ffff888106b80000 [ 26.830454][ T282] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 [ 26.839040][ T282] RBP: ffffc90000b27c50 R08: dffffc0000000000 R09: ffffed10234fd531 [ 26.847148][ T282] R10: ffffed10234fd531 R11: 1ffff110234fd530 R12: ffff888105dc4000 [ 26.855295][ T282] R13: dffffc0000000000 R14: ffff888105dc4078 R15: 0000000000000002 [ 26.863459][ T282] FS: 0000555560128380(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 26.872597][ T282] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 26.879222][ T282] CR2: 0000557c082f7388 CR3: 0000000106b94000 CR4: 00000000003506a0 [ 26.887293][ T282] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 26.895335][ T282] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 26.903421][ T282] Call Trace: [ 26.906716][ T282] ? f2fs_write_inode+0x7f0/0x7f0 [ 26.911868][ T282] ? bit_waitqueue+0x30/0x30 [ 26.916465][ T282] ? inode_io_list_del_locked+0x1b3/0x210 [ 26.922846][ T282] ? _raw_spin_unlock+0x4d/0x70 [ 26.927723][ T282] ? f2fs_write_inode+0x7f0/0x7f0 [ 26.932960][ T282] evict+0x478/0x910 [ 26.936892][ T282] ? mode_strip_sgid+0x160/0x160 [ 26.941993][ T282] ? _raw_spin_lock+0x8e/0xe0 [ 26.946781][ T282] ? _raw_spin_trylock_bh+0x130/0x130 [ 26.952175][ T282] ? iput+0x291/0x7c0 [ 26.956366][ T282] ? __kasan_check_read+0x11/0x20 [ 26.961613][ T282] iput+0x638/0x7c0 [ 26.965440][ T282] do_unlinkat+0x33f/0x670 [ 26.969913][ T282] ? __check_object_size+0x2f4/0x3c0 [ 26.975315][ T282] ? fsnotify_link_count+0x90/0x90 [ 26.980609][ T282] ? getname_flags+0x206/0x500 [ 26.985400][ T282] __x64_sys_unlink+0x49/0x50 [ 26.990592][ T282] do_syscall_64+0x31/0x40 [ 26.995297][ T282] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 27.001298][ T282] RIP: 0033:0x7fcd18a4ab97 [ 27.005806][ T282] Code: 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 57 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 27.026289][ T282] RSP: 002b:00007ffced289ba8 EFLAGS: 00000206 ORIG_RAX: 0000000000000057 <... unlink resumed>) = 0 umount2("./0/file0/file.cold", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./0/file0/file.cold", {st_mode=S_IFREG|0755, st_size=100, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 27.035347][ T282] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fcd18a4ab97 [ 27.044250][ T282] RDX: 00007ffced289bd0 RSI: 00007ffced289c60 RDI: 00007ffced289c60 [ 27.052433][ T282] RBP: 00007ffced289c60 R08: 0000000000000000 R09: 0000000000000000 [ 27.061074][ T282] R10: 0000000000000100 R11: 0000000000000206 R12: 00007ffced28ad50 [ 27.069118][ T282] R13: 0000555560131700 R14: 0000000000000001 R15: 431bde82d7b634db [ 27.077184][ T282] ---[ end trace 0a21983f448c4658 ]--- [ 27.083579][ T282] ------------[ cut here ]------------ [ 27.089450][ T282] WARNING: CPU: 1 PID: 282 at fs/inode.c:304 drop_nlink+0xc5/0x110 [ 27.097533][ T282] Modules linked in: [ 27.101596][ T282] CPU: 1 PID: 282 Comm: syz-executor264 Tainted: G W 5.10.238-syzkaller-00008-g59e9a7228857 #0 [ 27.113613][ T282] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/29/2025 [ 27.125024][ T282] RIP: 0010:drop_nlink+0xc5/0x110 [ 27.130168][ T282] Code: 1b 48 8d bb b8 04 00 00 be 08 00 00 00 e8 a3 23 f2 ff f0 48 ff 83 b8 04 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 2b 31 b8 ff <0f> 0b eb 86 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 5e ff ff ff 4c [ 27.150555][ T282] RSP: 0018:ffffc90000b27b58 EFLAGS: 00010293 [ 27.156764][ T282] RAX: ffffffff81ab62e5 RBX: ffff88811a7ec6d0 RCX: ffff888106b80000 [ 27.165018][ T282] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 27.173163][ T282] RBP: ffffc90000b27b80 R08: dffffc0000000000 R09: ffffc90000b27b00 [ 27.181541][ T282] R10: fffff52000164f62 R11: 1ffff92000164f60 R12: dffffc0000000000 [ 27.189629][ T282] R13: 1ffff110234fd8e3 R14: ffff88811a7ec718 R15: 0000000000000000 [ 27.198343][ T282] FS: 0000555560128380(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 27.207552][ T282] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 27.214194][ T282] CR2: 0000557c082f7388 CR3: 0000000106b94000 CR4: 00000000003506a0 [ 27.222381][ T282] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 27.230861][ T282] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 27.239395][ T282] Call Trace: [ 27.242907][ T282] f2fs_drop_nlink+0x148/0x3c0 [ 27.247688][ T282] ? f2fs_mark_inode_dirty_sync+0x110/0x140 [ 27.254116][ T282] f2fs_delete_entry+0x9d5/0xb30 [ 27.259537][ T282] ? _raw_spin_unlock+0x4d/0x70 [ 27.264572][ T282] f2fs_unlink+0x422/0x800 [ 27.269526][ T282] ? f2fs_link+0x8e0/0x8e0 [ 27.274576][ T282] ? __kasan_check_write+0x14/0x20 [ 27.280333][ T282] ? down_write+0xac/0x110 [ 27.285261][ T282] ? selinux_inode_unlink+0x22/0x30 [ 27.291093][ T282] ? security_inode_unlink+0xd0/0x120 [ 27.296710][ T282] vfs_unlink+0x321/0x540 [ 27.301810][ T282] do_unlinkat+0x2e9/0x670 [ 27.306529][ T282] ? __check_object_size+0x2f4/0x3c0 [ 27.312448][ T282] ? fsnotify_link_count+0x90/0x90 [ 27.317859][ T282] ? getname_flags+0x206/0x500 [ 27.323297][ T282] __x64_sys_unlink+0x49/0x50 [ 27.328575][ T282] do_syscall_64+0x31/0x40 [ 27.333389][ T282] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 27.339831][ T282] RIP: 0033:0x7fcd18a4ab97 [ 27.344419][ T282] Code: 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 57 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 27.365653][ T282] RSP: 002b:00007ffced289ba8 EFLAGS: 00000206 ORIG_RAX: 0000000000000057 [ 27.374954][ T282] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fcd18a4ab97 [ 27.383875][ T282] RDX: 00007ffced289bd0 RSI: 00007ffced289c60 RDI: 00007ffced289c60 [ 27.394184][ T282] RBP: 00007ffced289c60 R08: 0000000000000000 R09: 0000000000000000 [ 27.404431][ T282] R10: 0000000000000100 R11: 0000000000000206 R12: 00007ffced28ad50 [ 27.413767][ T282] R13: 0000555560131700 R14: 0000000000000001 R15: 431bde82d7b634db [ 27.423412][ T282] ---[ end trace 0a21983f448c4659 ]--- [ 27.429773][ T282] ================================================================== [ 27.439214][ T282] BUG: KASAN: use-after-free in __list_add_valid+0x6b/0xf0 [ 27.446767][ T282] Read of size 8 at addr ffff88811a7eaa50 by task syz-executor264/282 [ 27.455268][ T282] [ 27.457814][ T282] CPU: 1 PID: 282 Comm: syz-executor264 Tainted: G W 5.10.238-syzkaller-00008-g59e9a7228857 #0 [ 27.470063][ T282] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/29/2025 [ 27.480436][ T282] Call Trace: [ 27.483902][ T282] __dump_stack+0x21/0x24 [ 27.488224][ T282] dump_stack_lvl+0x169/0x1d8 [ 27.492943][ T282] ? show_regs_print_info+0x18/0x18 [ 27.498412][ T282] ? thaw_kernel_threads+0x220/0x220 [ 27.503949][ T282] print_address_description+0x7f/0x2c0 [ 27.509591][ T282] ? __list_add_valid+0x6b/0xf0 [ 27.514503][ T282] kasan_report+0xe2/0x130 [ 27.519101][ T282] ? __list_add_valid+0x6b/0xf0 [ 27.524219][ T282] __asan_report_load8_noabort+0x14/0x20 [ 27.530191][ T282] __list_add_valid+0x6b/0xf0 [ 27.535387][ T282] f2fs_inode_dirtied+0x199/0x2a0 [ 27.540744][ T282] f2fs_mark_inode_dirty_sync+0xfa/0x140 [ 27.546746][ T282] f2fs_drop_nlink+0x155/0x3c0 [ 27.552043][ T282] ? f2fs_mark_inode_dirty_sync+0x110/0x140 [ 27.558127][ T282] f2fs_delete_entry+0x9d5/0xb30 [ 27.563405][ T282] ? _raw_spin_unlock+0x4d/0x70 [ 27.568251][ T282] f2fs_unlink+0x422/0x800 [ 27.572661][ T282] ? f2fs_link+0x8e0/0x8e0 [ 27.577241][ T282] ? __kasan_check_write+0x14/0x20 [ 27.582351][ T282] ? down_write+0xac/0x110 [ 27.586941][ T282] ? selinux_inode_unlink+0x22/0x30 [ 27.592478][ T282] ? security_inode_unlink+0xd0/0x120 [ 27.598211][ T282] vfs_unlink+0x321/0x540 [ 27.603728][ T282] do_unlinkat+0x2e9/0x670 [ 27.608387][ T282] ? __check_object_size+0x2f4/0x3c0 [ 27.614111][ T282] ? fsnotify_link_count+0x90/0x90 [ 27.619410][ T282] ? getname_flags+0x206/0x500 [ 27.624586][ T282] __x64_sys_unlink+0x49/0x50 [ 27.629394][ T282] do_syscall_64+0x31/0x40 [ 27.634529][ T282] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 27.640832][ T282] RIP: 0033:0x7fcd18a4ab97 [ 27.645517][ T282] Code: 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 57 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 27.665844][ T282] RSP: 002b:00007ffced289ba8 EFLAGS: 00000206 ORIG_RAX: 0000000000000057 [ 27.674523][ T282] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fcd18a4ab97 [ 27.682925][ T282] RDX: 00007ffced289bd0 RSI: 00007ffced289c60 RDI: 00007ffced289c60 [ 27.690993][ T282] RBP: 00007ffced289c60 R08: 0000000000000000 R09: 0000000000000000 [ 27.699194][ T282] R10: 0000000000000100 R11: 0000000000000206 R12: 00007ffced28ad50 [ 27.707183][ T282] R13: 0000555560131700 R14: 0000000000000001 R15: 431bde82d7b634db [ 27.715436][ T282] [ 27.718098][ T282] Allocated by task 283: [ 27.722362][ T282] __kasan_slab_alloc+0xbd/0xf0 [ 27.727219][ T282] slab_post_alloc_hook+0x5d/0x2f0 [ 27.732517][ T282] kmem_cache_alloc+0x165/0x2e0 [ 27.737833][ T282] f2fs_alloc_inode+0x26/0x410 [ 27.742777][ T282] iget_locked+0x146/0x7d0 [ 27.747201][ T282] f2fs_iget+0x55/0x4dc0 [ 27.751455][ T282] f2fs_lookup+0x3ee/0xce0 [ 27.755860][ T282] path_openat+0x1127/0x3160 [ 27.760548][ T282] do_filp_open+0x1b3/0x3e0 [ 27.765254][ T282] do_sys_openat2+0x14c/0x6d0 [ 27.770107][ T282] __x64_sys_openat+0x136/0x160 [ 27.775035][ T282] do_syscall_64+0x31/0x40 [ 27.779535][ T282] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 27.785589][ T282] [ 27.788044][ T282] Freed by task 282: [ 27.792290][ T282] kasan_set_track+0x4a/0x70 [ 27.797134][ T282] kasan_set_free_info+0x23/0x40 [ 27.802241][ T282] ____kasan_slab_free+0x125/0x160 [ 27.807574][ T282] __kasan_slab_free+0x11/0x20 [ 27.812760][ T282] slab_free_freelist_hook+0xc5/0x190 [ 27.818176][ T282] kmem_cache_free+0x100/0x2d0 [ 27.823127][ T282] f2fs_free_inode+0x24/0x30 [ 27.828107][ T282] i_callback+0x4c/0x70 [ 27.832586][ T282] rcu_do_batch+0x4df/0xa80 [ 27.837414][ T282] rcu_core+0x55f/0xd60 [ 27.841622][ T282] rcu_core_si+0x9/0x10 [ 27.845918][ T282] __do_softirq+0x255/0x563 [ 27.850645][ T282] [ 27.853386][ T282] Last potentially related work creation: [ 27.859300][ T282] kasan_save_stack+0x3a/0x60 [ 27.864435][ T282] __kasan_record_aux_stack+0xd2/0x100 [ 27.870092][ T282] kasan_record_aux_stack_noalloc+0xb/0x10 [ 27.876188][ T282] call_rcu+0x105/0x1040 [ 27.880443][ T282] evict+0x857/0x910 [ 27.884626][ T282] iput+0x638/0x7c0 [ 27.888480][ T282] do_unlinkat+0x33f/0x670 [ 27.893034][ T282] __x64_sys_unlink+0x49/0x50 [ 27.897710][ T282] do_syscall_64+0x31/0x40 [ 27.902297][ T282] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 27.908400][ T282] [ 27.910980][ T282] The buggy address belongs to the object at ffff88811a7ea6a0 [ 27.910980][ T282] which belongs to the cache f2fs_inode_cache of size 1520 [ 27.926625][ T282] The buggy address is located 944 bytes inside of [ 27.926625][ T282] 1520-byte region [ffff88811a7ea6a0, ffff88811a7eac90) [ 27.940571][ T282] The buggy address belongs to the page: [ 27.946251][ T282] page:ffffea000469fa00 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x11a7e8 [ 27.956706][ T282] head:ffffea000469fa00 order:3 compound_mapcount:0 compound_pincount:0 [ 27.965231][ T282] flags: 0x4000000000010200(slab|head) [ 27.970716][ T282] raw: 4000000000010200 dead000000000100 dead000000000122 ffff8881029d3b00 [ 27.980278][ T282] raw: 0000000000000000 0000000080130013 00000001ffffffff 0000000000000000 [ 27.989084][ T282] page dumped because: kasan: bad access detected [ 27.995933][ T282] page_owner tracks the page as allocated [ 28.001861][ T282] page last allocated via order 3, migratetype Reclaimable, gfp_mask 0xd2050(__GFP_IO|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC|__GFP_RECLAIMABLE), pid 283, ts 26603536865, free_ts 0 [ 28.021293][ T282] prep_new_page+0x179/0x180 [ 28.025964][ T282] get_page_from_freelist+0x2235/0x23d0 [ 28.031509][ T282] __alloc_pages_nodemask+0x268/0x5f0 [ 28.036875][ T282] new_slab+0x84/0x3f0 [ 28.040962][ T282] ___slab_alloc+0x2a6/0x450 [ 28.045541][ T282] __slab_alloc+0x63/0xa0 [ 28.049875][ T282] kmem_cache_alloc+0x1af/0x2e0 [ 28.054731][ T282] f2fs_alloc_inode+0x26/0x410 [ 28.059506][ T282] iget_locked+0x146/0x7d0 [ 28.063912][ T282] f2fs_iget+0x55/0x4dc0 [ 28.068143][ T282] f2fs_fill_super+0x45ba/0x6c70 [ 28.073074][ T282] mount_bdev+0x28b/0x3a0 [ 28.077415][ T282] f2fs_mount+0x34/0x40 [ 28.081587][ T282] legacy_get_tree+0xed/0x190 [ 28.086272][ T282] vfs_get_tree+0x89/0x260 [ 28.090694][ T282] do_new_mount+0x25a/0xa20 [ 28.095199][ T282] page_owner free stack trace missing [ 28.100555][ T282] [ 28.102901][ T282] Memory state around the buggy address: [ 28.108554][ T282] ffff88811a7ea900: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 28.116630][ T282] ffff88811a7ea980: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 28.124696][ T282] >ffff88811a7eaa00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 28.132851][ T282] ^ unlink("./0/file0/file.cold") = 0 umount2("./0/file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./0/file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0755, st_size=3488, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./0/file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./0/file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5 newfstatat(5, "", {st_mode=S_IFDIR|0755, st_size=3488, ...}, AT_EMPTY_PATH) = 0 getdents64(5, 0x555560139770 /* 4 entries */, 32768) = 112 umount2("./0/file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 ENOENT (No such file or directory) newfstatat(AT_FDCWD, "./0/file0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/file0", 0x7ffced288ae0, AT_SYMLINK_NOFOLLOW) = -1 ENOENT (No such file or directory) exit_group(1) = ? +++ exited with 1 +++ [ 28.139691][ T282] ffff88811a7eaa80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 28.148095][ T282] ffff88811a7eab00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 28.156344][ T282] ================================================================== [ 28.164854][ T282] Disabling lock debugging due to kernel taint