./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1754327841 <...> Warning: Permanently added '10.128.1.69' (ED25519) to the list of known hosts. execve("./syz-executor1754327841", ["./syz-executor1754327841"], 0x7fff86bd58c0 /* 10 vars */) = 0 brk(NULL) = 0x555578d22000 brk(0x555578d22d00) = 0x555578d22d00 arch_prctl(ARCH_SET_FS, 0x555578d22380) = 0 set_tid_address(0x555578d22650) = 5088 set_robust_list(0x555578d22660, 24) = 0 rseq(0x555578d22ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1754327841", 4096) = 28 getrandom("\x58\xd6\x30\x61\xf7\xfb\x04\xfe", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555578d22d00 brk(0x555578d43d00) = 0x555578d43d00 brk(0x555578d44000) = 0x555578d44000 mprotect(0x7ff236cbc000, 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) = 0x7ff22e600000 write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x10\x01\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x01\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x78\x5f\xaa\x3b\xd7\x0e\xce\x68\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 munmap(0x7ff22e600000, 138412032) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 ioctl(4, LOOP_SET_FD, 3) = 0 close(3) = 0 close(4) = 0 [ 58.756582][ T5088] loop0: detected capacity change from 0 to 4096 mkdir("./file1", 0777) = 0 [ 58.810211][ T5088] ntfs3: loop0: Different NTFS sector size (4096) and media sector size (512). [ 58.831537][ T5088] ================================================================== [ 58.839622][ T5088] BUG: KASAN: slab-out-of-bounds in ntfs_check_attr_def+0x2e4/0x690 [ 58.847787][ T5088] Read of size 4 at addr ffff88802e910b20 by task syz-executor175/5088 [ 58.856037][ T5088] [ 58.858349][ T5088] CPU: 1 PID: 5088 Comm: syz-executor175 Not tainted 6.9.0-rc4-next-20240418-syzkaller #0 [ 58.868219][ T5088] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 58.878255][ T5088] Call Trace: [ 58.881516][ T5088] [ 58.884440][ T5088] dump_stack_lvl+0x241/0x360 [ 58.889117][ T5088] ? __pfx_dump_stack_lvl+0x10/0x10 [ 58.894311][ T5088] ? __pfx__printk+0x10/0x10 [ 58.898889][ T5088] ? _printk+0xd5/0x120 [ 58.903022][ T5088] ? __virt_addr_valid+0x183/0x520 [ 58.908129][ T5088] ? __virt_addr_valid+0x183/0x520 [ 58.913220][ T5088] print_report+0x169/0x550 [ 58.917705][ T5088] ? __virt_addr_valid+0x183/0x520 [ 58.923142][ T5088] ? __virt_addr_valid+0x183/0x520 [ 58.928253][ T5088] ? __virt_addr_valid+0x44e/0x520 [ 58.933343][ T5088] ? __phys_addr+0xba/0x170 [ 58.937835][ T5088] ? ntfs_check_attr_def+0x2e4/0x690 [ 58.943114][ T5088] kasan_report+0x143/0x180 [ 58.947610][ T5088] ? ntfs_check_attr_def+0x2e4/0x690 [ 58.952885][ T5088] ntfs_check_attr_def+0x2e4/0x690 [ 58.958072][ T5088] ntfs_fill_super+0x38ff/0x42e0 [ 58.963016][ T5088] ? __pfx_ntfs_fill_super+0x10/0x10 [ 58.968293][ T5088] ? set_blocksize+0x1d6/0x370 [ 58.973056][ T5088] ? sb_set_blocksize+0x99/0x100 [ 58.977991][ T5088] ? setup_bdev_super+0x463/0x520 [ 58.983353][ T5088] get_tree_bdev+0x3f7/0x570 [ 58.987943][ T5088] ? __pfx_ntfs_fill_super+0x10/0x10 [ 58.993221][ T5088] ? __pfx_get_tree_bdev+0x10/0x10 [ 58.998319][ T5088] ? apparmor_capable+0x138/0x1b0 [ 59.003332][ T5088] ? bpf_lsm_capable+0x9/0x10 [ 59.007997][ T5088] vfs_get_tree+0x90/0x2a0 [ 59.012402][ T5088] do_new_mount+0x2be/0xb40 [ 59.016900][ T5088] ? ns_capable+0x8a/0xf0 [ 59.021218][ T5088] ? __pfx_do_new_mount+0x10/0x10 [ 59.026232][ T5088] __se_sys_mount+0x2d9/0x3c0 [ 59.030895][ T5088] ? __pfx___se_sys_mount+0x10/0x10 [ 59.036077][ T5088] ? exc_page_fault+0x59e/0x900 [ 59.040934][ T5088] ? __x64_sys_mount+0x20/0xc0 [ 59.045685][ T5088] do_syscall_64+0xf5/0x240 [ 59.050175][ T5088] ? clear_bhb_loop+0x35/0x90 [ 59.054840][ T5088] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 59.060732][ T5088] RIP: 0033:0x7ff236c2b8ba [ 59.065145][ T5088] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 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 [ 59.084733][ T5088] RSP: 002b:00007ffc7927a838 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 [ 59.093132][ T5088] RAX: ffffffffffffffda RBX: 00007ffc7927a840 RCX: 00007ff236c2b8ba [ 59.101087][ T5088] RDX: 000000002001f180 RSI: 000000002001f1c0 RDI: 00007ffc7927a840 [ 59.109042][ T5088] RBP: 0000000000000004 R08: 00007ffc7927a880 R09: 000000000001f1ed [ 59.117008][ T5088] R10: 0000000000000005 R11: 0000000000000286 R12: 00007ffc7927a880 [ 59.124963][ T5088] R13: 0000000000000003 R14: 0000000000200000 R15: 0000000000000001 [ 59.132932][ T5088] [ 59.135937][ T5088] [ 59.138249][ T5088] Allocated by task 5088: [ 59.142554][ T5088] kasan_save_track+0x3f/0x80 [ 59.147233][ T5088] __kasan_kmalloc+0x98/0xb0 [ 59.151802][ T5088] __kmalloc_noprof+0x200/0x400 [ 59.156725][ T5088] ntfs_fill_super+0x3898/0x42e0 [ 59.161736][ T5088] get_tree_bdev+0x3f7/0x570 [ 59.166331][ T5088] vfs_get_tree+0x90/0x2a0 [ 59.170746][ T5088] do_new_mount+0x2be/0xb40 [ 59.175243][ T5088] __se_sys_mount+0x2d9/0x3c0 [ 59.179918][ T5088] do_syscall_64+0xf5/0x240 [ 59.184427][ T5088] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 59.190344][ T5088] [ 59.192675][ T5088] The buggy address belongs to the object at ffff88802e910a00 [ 59.192675][ T5088] which belongs to the cache kmalloc-256 of size 256 [ 59.206718][ T5088] The buggy address is located 76 bytes to the right of [ 59.206718][ T5088] allocated 212-byte region [ffff88802e910a00, ffff88802e910ad4) [ 59.221295][ T5088] [ 59.223602][ T5088] The buggy address belongs to the physical page: [ 59.229995][ T5088] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x2e910 [ 59.238736][ T5088] head: order:1 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 59.247216][ T5088] flags: 0xfff80000000040(head|node=0|zone=1|lastcpupid=0xfff) [ 59.254741][ T5088] page_type: 0xffffefff(slab) [ 59.259401][ T5088] raw: 00fff80000000040 ffff888015041b40 ffffea0000b48380 0000000000000002 [ 59.267966][ T5088] raw: 0000000000000000 0000000080100010 00000001ffffefff 0000000000000000 [ 59.276532][ T5088] head: 00fff80000000040 ffff888015041b40 ffffea0000b48380 0000000000000002 [ 59.285184][ T5088] head: 0000000000000000 0000000080100010 00000001ffffefff 0000000000000000 [ 59.293846][ T5088] head: 00fff80000000001 ffffea0000ba4401 ffffffffffffffff 0000000000000000 [ 59.302497][ T5088] head: 0000000000000002 0000000000000000 00000000ffffffff 0000000000000000 [ 59.311145][ T5088] page dumped because: kasan: bad access detected [ 59.317537][ T5088] page_owner tracks the page as allocated [ 59.323231][ T5088] page last allocated via order 1, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 1, tgid 133977591 (swapper/0), ts 1, free_ts 0 [ 59.342746][ T5088] post_alloc_hook+0x1f3/0x230 [ 59.347502][ T5088] get_page_from_freelist+0x2ce2/0x2d90 [ 59.353033][ T5088] __alloc_pages_noprof+0x256/0x6c0 [ 59.358217][ T5088] alloc_slab_page+0x5f/0x120 [ 59.362879][ T5088] allocate_slab+0x5a/0x2e0 [ 59.367364][ T5088] ___slab_alloc+0xcd1/0x14b0 [ 59.372029][ T5088] __slab_alloc+0x58/0xa0 [ 59.376349][ T5088] kmalloc_node_track_caller_noprof+0x286/0x440 [ 59.382575][ T5088] krealloc_noprof+0x7d/0x120 [ 59.387255][ T5088] add_sysfs_param+0xca/0x7f0 [ 59.391928][ T5088] kernel_add_sysfs_param+0xb4/0x130 [ 59.397278][ T5088] param_sysfs_builtin+0x16e/0x1f0 [ 59.402434][ T5088] param_sysfs_builtin_init+0x31/0x40 [ 59.407794][ T5088] do_one_initcall+0x248/0x880 [ 59.412545][ T5088] do_initcall_level+0x157/0x210 [ 59.417471][ T5088] do_initcalls+0x3f/0x80 [ 59.422222][ T5088] page_owner free stack trace missing [ 59.427571][ T5088] [ 59.429889][ T5088] Memory state around the buggy address: [ 59.435499][ T5088] ffff88802e910a00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 59.443563][ T5088] ffff88802e910a80: 00 00 00 00 00 00 00 00 00 00 04 fc fc fc fc fc [ 59.451617][ T5088] >ffff88802e910b00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 59.459677][ T5088] ^ [ 59.464788][ T5088] ffff88802e910b80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 59.472858][ T5088] ffff88802e910c00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 59.480914][ T5088] ================================================================== [ 59.489731][ T5088] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 59.496950][ T5088] CPU: 1 PID: 5088 Comm: syz-executor175 Not tainted 6.9.0-rc4-next-20240418-syzkaller #0 [ 59.507020][ T5088] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 59.517077][ T5088] Call Trace: [ 59.520346][ T5088] [ 59.523277][ T5088] dump_stack_lvl+0x241/0x360 [ 59.527965][ T5088] ? __pfx_dump_stack_lvl+0x10/0x10 [ 59.533154][ T5088] ? __pfx__printk+0x10/0x10 [ 59.537814][ T5088] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 59.543795][ T5088] ? vscnprintf+0x5d/0x90 [ 59.548115][ T5088] panic+0x349/0x860 [ 59.551997][ T5088] ? check_panic_on_warn+0x21/0xb0 [ 59.557092][ T5088] ? __pfx_panic+0x10/0x10 [ 59.561489][ T5088] ? _raw_spin_unlock_irqrestore+0x130/0x140 [ 59.567450][ T5088] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 59.573755][ T5088] check_panic_on_warn+0x86/0xb0 [ 59.578689][ T5088] ? ntfs_check_attr_def+0x2e4/0x690 [ 59.584037][ T5088] end_report+0x77/0x160 [ 59.588262][ T5088] kasan_report+0x154/0x180 [ 59.592743][ T5088] ? ntfs_check_attr_def+0x2e4/0x690 [ 59.598009][ T5088] ntfs_check_attr_def+0x2e4/0x690 [ 59.603102][ T5088] ntfs_fill_super+0x38ff/0x42e0 [ 59.608033][ T5088] ? __pfx_ntfs_fill_super+0x10/0x10 [ 59.613298][ T5088] ? set_blocksize+0x1d6/0x370 [ 59.618043][ T5088] ? sb_set_blocksize+0x99/0x100 [ 59.622964][ T5088] ? setup_bdev_super+0x463/0x520 [ 59.627976][ T5088] get_tree_bdev+0x3f7/0x570 [ 59.632546][ T5088] ? __pfx_ntfs_fill_super+0x10/0x10 [ 59.637907][ T5088] ? __pfx_get_tree_bdev+0x10/0x10 [ 59.643017][ T5088] ? apparmor_capable+0x138/0x1b0 [ 59.648027][ T5088] ? bpf_lsm_capable+0x9/0x10 [ 59.652691][ T5088] vfs_get_tree+0x90/0x2a0 [ 59.657095][ T5088] do_new_mount+0x2be/0xb40 [ 59.661588][ T5088] ? ns_capable+0x8a/0xf0 [ 59.665906][ T5088] ? __pfx_do_new_mount+0x10/0x10 [ 59.670915][ T5088] __se_sys_mount+0x2d9/0x3c0 [ 59.675594][ T5088] ? __pfx___se_sys_mount+0x10/0x10 [ 59.680799][ T5088] ? exc_page_fault+0x59e/0x900 [ 59.685725][ T5088] ? __x64_sys_mount+0x20/0xc0 [ 59.690477][ T5088] do_syscall_64+0xf5/0x240 [ 59.694969][ T5088] ? clear_bhb_loop+0x35/0x90 [ 59.699637][ T5088] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 59.705521][ T5088] RIP: 0033:0x7ff236c2b8ba [ 59.709922][ T5088] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 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 [ 59.729619][ T5088] RSP: 002b:00007ffc7927a838 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 [ 59.738021][ T5088] RAX: ffffffffffffffda RBX: 00007ffc7927a840 RCX: 00007ff236c2b8ba [ 59.745978][ T5088] RDX: 000000002001f180 RSI: 000000002001f1c0 RDI: 00007ffc7927a840 [ 59.753933][ T5088] RBP: 0000000000000004 R08: 00007ffc7927a880 R09: 000000000001f1ed [ 59.761896][ T5088] R10: 0000000000000005 R11: 0000000000000286 R12: 00007ffc7927a880 [ 59.769853][ T5088] R13: 0000000000000003 R14: 0000000000200000 R15: 0000000000000001 [ 59.777819][ T5088] [ 59.781130][ T5088] Kernel Offset: disabled [ 59.785440][ T5088] Rebooting in 86400 seconds..