./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2510225510
<...>
Warning: Permanently added '10.128.0.51' (ED25519) to the list of known hosts.
execve("./syz-executor2510225510", ["./syz-executor2510225510"], 0x7ffebe1007f0 /* 10 vars */) = 0
brk(NULL) = 0x555584417000
brk(0x555584417d00) = 0x555584417d00
arch_prctl(ARCH_SET_FS, 0x555584417380) = 0
set_tid_address(0x555584417650) = 5826
set_robust_list(0x555584417660, 24) = 0
rseq(0x555584417ca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor2510225510", 4096) = 28
getrandom("\xfc\x68\x3c\x1d\x38\x01\xdc\xbc", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x555584417d00
brk(0x555584438d00) = 0x555584438d00
brk(0x555584439000) = 0x555584439000
mprotect(0x7fa0ebccd000, 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.tO5PH4", 0700) = 0
chmod("./syzkaller.tO5PH4", 0777) = 0
chdir("./syzkaller.tO5PH4") = 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./strace-static-x86_64: Process 5828 attached
, child_tidptr=0x555584417650) = 5828
[pid 5828] set_robust_list(0x555584417660, 24) = 0
[pid 5828] chdir("./0") = 0
[pid 5828] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5828] setpgid(0, 0) = 0
[pid 5828] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5828] write(3, "1000", 4) = 4
[pid 5828] close(3) = 0
[pid 5828] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 5828] write(1, "executing program\n", 18) = 18
[pid 5828] memfd_create("syzkaller", 0) = 3
[pid 5828] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa0e3800000
[pid 5828] 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"..., 20699119) = 20699119
[pid 5828] munmap(0x7fa0e3800000, 138412032) = 0
[pid 5828] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5828] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 5828] close(3) = 0
[pid 5828] close(4) = 0
[pid 5828] mkdir("./bus", 0777) = 0
[ 89.040672][ T5828] loop0: detected capacity change from 0 to 40427
[ 89.067511][ T5828] F2FS-fs (loop0): build fault injection rate: 690
[ 89.074823][ T5828] F2FS-fs (loop0): Image doesn't support compression
[ 89.082233][ T5828] F2FS-fs (loop0): Image doesn't support compression
[ 89.093605][ T5828] F2FS-fs (loop0): invalid crc value
[pid 5828] mount("/dev/loop0", "./bus", "f2fs", MS_NOEXEC, "errors=continue,discard_unit=section,alloc_mode=default,active_logs=6,acl,fault_injection=0000000000"...) = 0
[pid 5828] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3
[pid 5828] chdir("./bus") = 0
[pid 5828] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid 5828] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_SYNC|O_DIRECT, 0403) = 4
[pid 5828] exit_group(0) = ?
[ 89.179048][ T5828] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5
[pid 5828] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5828, si_uid=0, si_status=0, si_utime=4 /* 0.04 s */, si_stime=29 /* 0.29 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x5555844186f0 /* 4 entries */, 32768) = 104
umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[ 89.216589][ T30] audit: type=1800 audit(1749692257.115:2): pid=5828 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor251" name="file1" dev="loop0" ino=10 res=0 errno=0
newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./0/binderfs") = 0
[ 89.298384][ T5826] syz-executor251: attempt to access beyond end of device
[ 89.298384][ T5826] loop0: rw=2049, sector=45096, nr_sectors = 8 limit=40427
[ 89.313196][ T5826] CPU: 0 UID: 0 PID: 5826 Comm: syz-executor251 Not tainted 6.16.0-rc1-syzkaller-00005-g488ef3560196 #0 PREEMPT(full)
[ 89.313216][ T5826] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 89.313227][ T5826] Call Trace:
[ 89.313235][ T5826]
[ 89.313241][ T5826] dump_stack_lvl+0x189/0x250
[ 89.313283][ T5826] ? __pfx_dump_stack_lvl+0x10/0x10
[ 89.313302][ T5826] ? _raw_spin_unlock_irqrestore+0x85/0x110
[ 89.313325][ T5826] ? __pfx_queue_work_on+0x10/0x10
[ 89.313350][ T5826] ? _raw_spin_unlock_irqrestore+0xad/0x110
[ 89.313369][ T5826] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[ 89.313389][ T5826] ? f2fs_hw_is_readonly+0x39b/0x470
[ 89.313417][ T5826] f2fs_handle_critical_error+0x37c/0x540
[ 89.313442][ T5826] f2fs_write_end_io+0x495/0x810
[ 89.313453][ T5826] ? blkg_put+0x22/0x240
[ 89.313480][ T5826] __submit_merged_bio+0x27a/0x6a0
[ 89.313505][ T5826] __submit_merged_write_cond+0x255/0x530
[ 89.313547][ T5826] f2fs_write_data_pages+0x261d/0x3000
[ 89.313599][ T5826] ? __pfx_f2fs_write_data_pages+0x10/0x10
[ 89.313683][ T5826] ? __lock_acquire+0xab9/0xd20
[ 89.313711][ T5826] ? do_raw_spin_lock+0x121/0x290
[ 89.313736][ T5826] ? do_raw_spin_unlock+0x122/0x240
[ 89.313769][ T5826] ? __pfx_f2fs_write_data_pages+0x10/0x10
[ 89.313793][ T5826] do_writepages+0x32b/0x550
[ 89.313817][ T5826] ? do_raw_spin_unlock+0x122/0x240
[ 89.313835][ T5826] ? _raw_spin_unlock+0x28/0x50
[ 89.313853][ T5826] ? wbc_attach_and_unlock_inode+0x3f0/0x5d0
[ 89.313880][ T5826] filemap_fdatawrite+0x191/0x230
[ 89.313904][ T5826] ? __pfx_filemap_fdatawrite+0x10/0x10
[ 89.313967][ T5826] ? do_raw_spin_unlock+0x122/0x240
[ 89.313986][ T5826] f2fs_sync_dirty_inodes+0x31f/0x830
[ 89.314014][ T5826] f2fs_write_checkpoint+0x94a/0x1de0
[ 89.314049][ T5826] ? __pfx_f2fs_write_checkpoint+0x10/0x10
[ 89.314122][ T5826] ? kill_f2fs_super+0x298/0x6c0
[ 89.314142][ T5826] kill_f2fs_super+0x2c3/0x6c0
[ 89.314163][ T5826] ? __pfx_kill_f2fs_super+0x10/0x10
[ 89.314176][ T5826] ? radix_tree_delete_item+0x2b6/0x400
[ 89.314205][ T5826] ? shrinker_free+0x2ce/0x3e0
[ 89.314231][ T5826] deactivate_locked_super+0xbc/0x130
[ 89.314248][ T5826] cleanup_mnt+0x425/0x4c0
[ 89.314273][ T5826] ? lockdep_hardirqs_on+0x9c/0x150
[ 89.314297][ T5826] task_work_run+0x1d1/0x260
[ 89.314318][ T5826] ? __pfx_task_work_run+0x10/0x10
[ 89.314333][ T5826] ? __x64_sys_umount+0x122/0x160
[ 89.314360][ T5826] ptrace_notify+0x281/0x2c0
[ 89.314383][ T5826] ? __pfx_ptrace_notify+0x10/0x10
[ 89.314407][ T5826] ? __x64_sys_umount+0x122/0x160
[ 89.314423][ T5826] ? __pfx___x64_sys_umount+0x10/0x10
[ 89.314439][ T5826] ? rcu_is_watching+0x15/0xb0
[ 89.314466][ T5826] syscall_exit_work+0xc6/0x1d0
[ 89.314489][ T5826] do_syscall_64+0x2ad/0x3b0
[ 89.314501][ T5826] ? lockdep_hardirqs_on+0x9c/0x150
[ 89.314522][ T5826] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 89.314536][ T5826] ? clear_bhb_loop+0x60/0xb0
[ 89.314555][ T5826] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 89.314569][ T5826] RIP: 0033:0x7fa0ebc55607
[ 89.314586][ T5826] Code: 07 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8
[ 89.314602][ T5826] RSP: 002b:00007ffe498c8868 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6
[ 89.314629][ T5826] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fa0ebc55607
[ 89.314638][ T5826] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffe498c8920
[ 89.314647][ T5826] RBP: 00007ffe498c8920 R08: 0000000000000000 R09: 0000000000000000
[ 89.314656][ T5826] R10: 00000000ffffffff R11: 0000000000000202 R12: 00007ffe498c9990
[ 89.314665][ T5826] R13: 00005555844186c0 R14: 431bde82d7b634db R15: 00007ffe498c99b0
[ 89.314691][ T5826]
[ 89.314696][ T5826] F2FS-fs (loop0): Remounting filesystem read-only
[ 89.691239][ T12] page: refcount:4 mapcount:0 mapping:ffff888078900b10 index:0xb pfn:0x74cc2
[ 89.700252][ T12] memcg:ffff88801cee0000
[ 89.704592][ T12] aops:f2fs_node_aops ino:1
[ 89.709145][ T12] flags: 0xfff00000004018(uptodate|dirty|private|node=0|zone=1|lastcpupid=0x7ff)
[ 89.718409][ T12] raw: 00fff00000004018 ffffea0001d330c8 ffffea0001d33048 ffff888078900b10
[ 89.727070][ T12] raw: 000000000000000b 0000000000000009 00000004ffffffff ffff88801cee0000
[ 89.735723][ T12] page dumped because: VM_BUG_ON_FOLIO(!folio_test_locked(folio))
[ 89.743595][ T12] page_owner tracks the page as allocated
[ 89.749370][ T12] page last allocated via order 0, migratetype Unmovable, gfp_mask 0x40c40(GFP_NOFS|__GFP_COMP), pid 5828, tgid 5828 (syz-executor251), ts 89214397062, free_ts 82869198281
[ 89.766477][ T12] post_alloc_hook+0x240/0x2a0
[ 89.771302][ T12] get_page_from_freelist+0x21d5/0x22b0
[ 89.776866][ T12] __alloc_frozen_pages_noprof+0x181/0x370
[ 89.782757][ T12] alloc_pages_mpol+0x232/0x4a0
[ 89.787640][ T12] alloc_pages_noprof+0xa9/0x190
[ 89.792632][ T12] folio_alloc_noprof+0x1e/0x30
[ 89.797515][ T12] filemap_alloc_folio_noprof+0xdf/0x470
[ 89.803240][ T12] __filemap_get_folio+0x3f2/0xaf0
[ 89.808385][ T12] f2fs_new_node_folio+0x131/0xa40
[ 89.813587][ T12] f2fs_get_dnode_of_data+0x7d3/0x1b50
[ 89.819083][ T12] f2fs_reserve_block+0x53/0x310
[ 89.824272][ T12] f2fs_get_new_data_folio+0x138/0x870
[ 89.829769][ T12] f2fs_add_regular_entry+0x5a3/0xc10
[ 89.835206][ T12] f2fs_add_dentry+0xda/0x1d0
[ 89.839916][ T12] f2fs_do_add_link+0x20f/0x3b0
[ 89.844834][ T12] f2fs_create+0x337/0x5c0
[ 89.849287][ T12] page last free pid 5818 tgid 5818 stack trace:
[ 89.855655][ T12] __free_frozen_pages+0xc65/0xe60
[ 89.860840][ T12] __folio_put+0x21b/0x2c0
[ 89.865265][ T12] anon_pipe_read+0x643/0x1040
[ 89.870037][ T12] vfs_read+0x4d0/0x980
[ 89.874255][ T12] ksys_read+0x145/0x250
[ 89.878522][ T12] do_syscall_64+0xfa/0x3b0
[ 89.883085][ T12] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 89.889282][ T12] ------------[ cut here ]------------
[ 89.894788][ T12] kernel BUG at mm/filemap.c:1498!
[ 89.899939][ T12] Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
[ 89.906194][ T12] CPU: 0 UID: 0 PID: 12 Comm: kworker/u8:0 Not tainted 6.16.0-rc1-syzkaller-00005-g488ef3560196 #0 PREEMPT(full)
[ 89.918166][ T12] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 89.928221][ T12] Workqueue: writeback wb_workfn (flush-7:0)
[ 89.934221][ T12] RIP: 0010:folio_unlock+0x13d/0x160
[ 89.939507][ T12] Code: de c8 ff 48 89 df 48 c7 c6 a0 36 94 8b e8 cb 6d 0e 00 90 0f 0b e8 13 de c8 ff 48 89 df 48 c7 c6 c0 2c 94 8b e8 b4 6d 0e 00 90 <0f> 0b e8 fc dd c8 ff 48 89 df 48 c7 c6 a0 36 94 8b e8 9d 6d 0e 00
[ 89.959208][ T12] RSP: 0018:ffffc90000116e28 EFLAGS: 00010246
[ 89.965291][ T12] RAX: ee13dd9e63919500 RBX: ffffea0001d33080 RCX: 0000000000000000
[ 89.973290][ T12] RDX: 0000000000000006 RSI: ffffffff8d96d7f4 RDI: 00000000ffffffff
[ 89.981271][ T12] RBP: ffffc90000117110 R08: ffffffff8f9fdef7 R09: 1ffffffff1f3fbde
[ 89.989253][ T12] R10: dffffc0000000000 R11: fffffbfff1f3fbdf R12: 1ffffd40003a6611
[ 89.997239][ T12] R13: 00fff00000004018 R14: ffffea0001d33088 R15: dffffc0000000000
[ 90.005237][ T12] FS: 0000000000000000(0000) GS:ffff888125c86000(0000) knlGS:0000000000000000
[ 90.014173][ T12] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 90.020760][ T12] CR2: 00007fa0ebcd1130 CR3: 0000000031646000 CR4: 00000000003526f0
[ 90.028745][ T12] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 90.036723][ T12] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 90.044716][ T12] Call Trace:
[ 90.048018][ T12]
[ 90.050983][ T12] f2fs_sync_node_pages+0x180a/0x1a10
[ 90.056384][ T12] ? __pfx_f2fs_sync_node_pages+0x10/0x10
[ 90.062120][ T12] ? __percpu_counter_sum+0x1c2/0x1e0
[ 90.067525][ T12] ? rcu_is_watching+0x15/0xb0
[ 90.072308][ T12] ? blk_start_plug+0x52/0x1b0
[ 90.077095][ T12] f2fs_write_node_pages+0x303/0x6e0
[ 90.082409][ T12] ? __pfx_f2fs_write_node_pages+0x10/0x10
[ 90.088257][ T12] ? trace_sched_exit_tp+0x38/0x120
[ 90.093492][ T12] ? update_curr_dl_se+0x107/0xa20
[ 90.098633][ T12] ? __pfx_f2fs_write_node_pages+0x10/0x10
[ 90.104466][ T12] do_writepages+0x32b/0x550
[ 90.109088][ T12] __writeback_single_inode+0x145/0xff0
[ 90.114645][ T12] ? wbc_attach_and_unlock_inode+0x3f0/0x5d0
[ 90.120647][ T12] writeback_sb_inodes+0x6b5/0x1000
[ 90.125863][ T12] ? __pfx_writeback_sb_inodes+0x10/0x10
[ 90.131603][ T12] ? rcu_is_watching+0x15/0xb0
[ 90.136389][ T12] wb_writeback+0x43b/0xaf0
[ 90.140908][ T12] ? queue_io+0x351/0x590
[ 90.145246][ T12] ? __pfx_wb_writeback+0x10/0x10
[ 90.150281][ T12] ? _raw_spin_unlock_irq+0x23/0x50
[ 90.155501][ T12] wb_workfn+0x409/0xef0
[ 90.159768][ T12] ? __pfx_wb_workfn+0x10/0x10
[ 90.164551][ T12] ? __lock_acquire+0xab9/0xd20
[ 90.169416][ T12] ? process_scheduled_works+0x9ef/0x17b0
[ 90.175154][ T12] ? _raw_spin_unlock_irq+0x23/0x50
[ 90.180453][ T12] ? process_scheduled_works+0x9ef/0x17b0
[ 90.186190][ T12] ? process_scheduled_works+0x9ef/0x17b0
[ 90.191924][ T12] process_scheduled_works+0xade/0x17b0
[ 90.197496][ T12] ? __pfx_process_scheduled_works+0x10/0x10
[ 90.203500][ T12] worker_thread+0x8a0/0xda0
[ 90.208118][ T12] kthread+0x70e/0x8a0
[ 90.212196][ T12] ? __pfx_worker_thread+0x10/0x10
[ 90.217325][ T12] ? __pfx_kthread+0x10/0x10
[ 90.221922][ T12] ? _raw_spin_unlock_irq+0x23/0x50
[ 90.227139][ T12] ? lockdep_hardirqs_on+0x9c/0x150
[ 90.232353][ T12] ? __pfx_kthread+0x10/0x10
[ 90.236952][ T12] ret_from_fork+0x3fc/0x770
[ 90.241554][ T12] ? __pfx_ret_from_fork+0x10/0x10
[ 90.246684][ T12] ? __switch_to_asm+0x39/0x70
[ 90.251464][ T12] ? __switch_to_asm+0x33/0x70
[ 90.256232][ T12] ? __pfx_kthread+0x10/0x10
[ 90.260828][ T12] ret_from_fork_asm+0x1a/0x30
[ 90.265609][ T12]
[ 90.268641][ T12] Modules linked in:
[ 90.272699][ T12] ---[ end trace 0000000000000000 ]---
[ 90.278219][ T12] RIP: 0010:folio_unlock+0x13d/0x160
[ 90.284193][ T12] Code: de c8 ff 48 89 df 48 c7 c6 a0 36 94 8b e8 cb 6d 0e 00 90 0f 0b e8 13 de c8 ff 48 89 df 48 c7 c6 c0 2c 94 8b e8 b4 6d 0e 00 90 <0f> 0b e8 fc dd c8 ff 48 89 df 48 c7 c6 a0 36 94 8b e8 9d 6d 0e 00
[ 90.303961][ T12] RSP: 0018:ffffc90000116e28 EFLAGS: 00010246
[ 90.310039][ T12] RAX: ee13dd9e63919500 RBX: ffffea0001d33080 RCX: 0000000000000000
[ 90.318054][ T12] RDX: 0000000000000006 RSI: ffffffff8d96d7f4 RDI: 00000000ffffffff
[ 90.326066][ T12] RBP: ffffc90000117110 R08: ffffffff8f9fdef7 R09: 1ffffffff1f3fbde
[ 90.334101][ T12] R10: dffffc0000000000 R11: fffffbfff1f3fbdf R12: 1ffffd40003a6611
[ 90.342115][ T12] R13: 00fff00000004018 R14: ffffea0001d33088 R15: dffffc0000000000
[ 90.350091][ T12] FS: 0000000000000000(0000) GS:ffff888125d86000(0000) knlGS:0000000000000000
[ 90.359089][ T12] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 90.365714][ T12] CR2: 00005555844206f8 CR3: 0000000028e76000 CR4: 00000000003526f0
[ 90.373743][ T12] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 90.381766][ T12] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 90.389739][ T12] Kernel panic - not syncing: Fatal exception
[ 90.396133][ T12] Kernel Offset: disabled
[ 90.400459][ T12] Rebooting in 86400 seconds..