Warning: Permanently added '10.128.0.97' (ED25519) to the list of known hosts. 2024/10/05 04:28:40 ignoring optional flag "sandboxArg"="0" 2024/10/05 04:28:40 ignoring optional flag "type"="gce" 2024/10/05 04:28:40 parsed 1 programs 2024/10/05 04:28:40 executed programs: 0 [ 47.156935][ T1923] loop0: detected capacity change from 0 to 8192 [ 47.166262][ T1923] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 47.177557][ T1923] REISERFS (device loop0): using ordered data mode [ 47.184172][ T1923] reiserfs: using flush barriers [ 47.189754][ T1923] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 47.206754][ T1923] REISERFS (device loop0): checking transaction log (loop0) [ 47.228726][ T1923] REISERFS (device loop0): Using r5 hash to sort names [ 47.291149][ T1927] loop0: detected capacity change from 0 to 8192 [ 47.299451][ T1927] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 47.308598][ T1927] REISERFS (device loop0): using ordered data mode [ 47.315468][ T1927] reiserfs: using flush barriers [ 47.321196][ T1927] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 47.337903][ T1927] REISERFS (device loop0): checking transaction log (loop0) [ 47.360297][ T1927] REISERFS (device loop0): Using r5 hash to sort names [ 47.451049][ T1930] loop0: detected capacity change from 0 to 8192 [ 47.458749][ T1930] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 47.468384][ T1930] REISERFS (device loop0): using ordered data mode [ 47.475044][ T1930] reiserfs: using flush barriers [ 47.480636][ T1930] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 47.497861][ T1930] REISERFS (device loop0): checking transaction log (loop0) [ 47.519259][ T1930] REISERFS (device loop0): Using r5 hash to sort names [ 47.529676][ T1930] ================================================================== [ 47.537921][ T1930] BUG: KASAN: use-after-free in reiserfs_readdir_inode+0xa13/0x1330 [ 47.546180][ T1930] Read of size 8 at addr ffff88806ccc8000 by task syz-executor.0/1930 [ 47.554834][ T1930] [ 47.557235][ T1930] CPU: 1 PID: 1930 Comm: syz-executor.0 Not tainted 5.15.167-syzkaller #0 [ 47.565964][ T1930] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 47.576102][ T1930] Call Trace: [ 47.579608][ T1930] [ 47.582517][ T1930] dump_stack_lvl+0x41/0x5e [ 47.587007][ T1930] print_address_description.constprop.0.cold+0x6c/0x309 [ 47.594171][ T1930] ? reiserfs_readdir_inode+0xa13/0x1330 [ 47.600217][ T1930] ? reiserfs_readdir_inode+0xa13/0x1330 [ 47.605897][ T1930] kasan_report.cold+0x83/0xdf [ 47.610639][ T1930] ? reiserfs_readdir_inode+0xa13/0x1330 [ 47.616405][ T1930] kasan_check_range+0x13d/0x180 [ 47.621464][ T1930] reiserfs_readdir_inode+0xa13/0x1330 [ 47.626886][ T1930] ? do_raw_spin_unlock+0x171/0x230 [ 47.632077][ T1930] ? reiserfs_dir_fsync+0x140/0x140 [ 47.637329][ T1930] ? lock_downgrade+0x4f0/0x4f0 [ 47.642157][ T1930] ? lock_acquire+0x11a/0x250 [ 47.646827][ T1930] ? aa_file_perm+0xea/0xd00 [ 47.651422][ T1930] ? aa_file_perm+0xea/0xd00 [ 47.656072][ T1930] ? __lock_acquire.constprop.0+0x478/0xb30 [ 47.662318][ T1930] ? aa_path_link+0x2e0/0x2e0 [ 47.666968][ T1930] ? down_read_killable+0x1be/0x380 [ 47.672136][ T1930] ? down_read_interruptible+0x380/0x380 [ 47.677736][ T1930] ? fsnotify_perm.part.0+0x118/0x4c0 [ 47.683248][ T1930] iterate_dir+0x48a/0x6d0 [ 47.687633][ T1930] __x64_sys_getdents64+0x122/0x220 [ 47.692804][ T1930] ? __ia32_sys_getdents+0x220/0x220 [ 47.698152][ T1930] ? compat_fillonedir+0x300/0x300 [ 47.703357][ T1930] ? vtime_user_exit+0xde/0x180 [ 47.708174][ T1930] do_syscall_64+0x33/0x80 [ 47.712662][ T1930] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 47.718622][ T1930] RIP: 0033:0x7f538d5df959 [ 47.723045][ T1930] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 47.743922][ T1930] RSP: 002b:00007f538d1620c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d9 [ 47.753024][ T1930] RAX: ffffffffffffffda RBX: 00007f538d6fef80 RCX: 00007f538d5df959 [ 47.761323][ T1930] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004 [ 47.769271][ T1930] RBP: 00007f538d63bc88 R08: 0000000000000000 R09: 0000000000000000 [ 47.777225][ T1930] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 47.785436][ T1930] R13: 0000000000000006 R14: 00007f538d6fef80 R15: 00007fff605cad98 [ 47.793485][ T1930] [ 47.796630][ T1930] [ 47.799136][ T1930] The buggy address belongs to the page: [ 47.805060][ T1930] page:ffffea0001b33200 refcount:0 mapcount:0 mapping:0000000000000000 index:0x1 pfn:0x6ccc8 [ 47.815339][ T1930] flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff) [ 47.822687][ T1930] raw: 00fff00000000000 ffffea0001b33248 ffffea0001b7f5c8 0000000000000000 [ 47.831634][ T1930] raw: 0000000000000001 0000000000000000 00000000ffffffff 0000000000000000 [ 47.841469][ T1930] page dumped because: kasan: bad access detected [ 47.848244][ T1930] page_owner tracks the page as freed [ 47.853595][ T1930] page last allocated via order 0, migratetype Movable, gfp_mask 0x1100cca(GFP_HIGHUSER_MOVABLE), pid 1923, ts 47150234831, free_ts 47292124004 [ 47.868144][ T1930] get_page_from_freelist+0x12d1/0x2d40 [ 47.873679][ T1930] __alloc_pages+0x1b2/0x440 [ 47.878500][ T1930] alloc_pages_vma+0xe0/0x650 [ 47.883457][ T1930] shmem_alloc_page+0x104/0x1b0 [ 47.888659][ T1930] shmem_alloc_and_acct_page+0xff/0x730 [ 47.894286][ T1930] shmem_getpage_gfp.constprop.0+0x42a/0x1790 [ 47.902773][ T1930] generic_perform_write+0x1d6/0x430 [ 47.908450][ T1930] __generic_file_write_iter+0x2f0/0x560 [ 47.914176][ T1930] generic_file_write_iter+0xb9/0x1c0 [ 47.919728][ T1930] new_sync_write+0x35d/0x5f0 [ 47.924491][ T1930] vfs_write+0x577/0x7e0 [ 47.928706][ T1930] ksys_write+0xf4/0x1d0 [ 47.932926][ T1930] do_syscall_64+0x33/0x80 [ 47.937468][ T1930] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 47.943345][ T1930] page last free stack trace: [ 47.948264][ T1930] free_pcp_prepare+0x379/0x850 [ 47.953092][ T1930] free_unref_page_list+0x16f/0xbd0 [ 47.958316][ T1930] release_pages+0xb3a/0x1480 [ 47.963073][ T1930] __pagevec_release+0x59/0xe0 [ 47.967902][ T1930] shmem_undo_range+0x505/0xeb0 [ 47.972818][ T1930] shmem_evict_inode+0x313/0xa40 [ 47.977733][ T1930] evict+0x322/0x770 [ 47.981942][ T1930] __dentry_kill+0x315/0x5e0 [ 47.986712][ T1930] __fput+0x2ef/0x9a0 [ 47.990667][ T1930] task_work_run+0xb8/0x140 [ 47.995137][ T1930] exit_to_user_mode_prepare+0x15d/0x160 [ 48.000760][ T1930] syscall_exit_to_user_mode+0x12/0x30 [ 48.006353][ T1930] do_syscall_64+0x40/0x80 [ 48.011111][ T1930] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 48.016981][ T1930] [ 48.019424][ T1930] Memory state around the buggy address: [ 48.025299][ T1930] ffff88806ccc7f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 48.033335][ T1930] ffff88806ccc7f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 48.041362][ T1930] >ffff88806ccc8000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 48.049699][ T1930] ^ [ 48.053988][ T1930] ffff88806ccc8080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 48.062216][ T1930] ffff88806ccc8100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 48.070886][ T1930] ================================================================== [ 48.079843][ T1930] Disabling lock debugging due to kernel taint [ 48.086535][ T1930] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 48.094505][ T1930] Kernel Offset: disabled [ 48.098912][ T1930] Rebooting in 86400 seconds..