Warning: Permanently added '10.128.0.74' (ECDSA) to the list of known hosts. executing program [ 67.265745][ T3543] loop0: detected capacity change from 0 to 128 [ 67.276832][ T3543] VFS: Found a Xenix FS (block size = 512) on device loop0 [ 67.295991][ T3543] sysv_free_block: trying to free block not in datazone [ 67.304855][ T3543] ================================================================== [ 67.312955][ T3543] BUG: KASAN: null-ptr-deref in get_block+0x563/0x1690 [ 67.319852][ T3543] Write of size 8 at addr 0000000000000000 by task syz-executor347/3543 [ 67.328180][ T3543] [ 67.330500][ T3543] CPU: 1 PID: 3543 Comm: syz-executor347 Not tainted 6.1.34-syzkaller #0 [ 67.338911][ T3543] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 [ 67.349147][ T3543] Call Trace: [ 67.352426][ T3543] [ 67.355355][ T3543] dump_stack_lvl+0x1e3/0x2cb [ 67.360407][ T3543] ? irq_work_queue+0xc6/0x150 [ 67.365615][ T3543] ? nf_tcp_handle_invalid+0x642/0x642 [ 67.371177][ T3543] ? panic+0x75d/0x75d [ 67.375264][ T3543] ? _printk+0xd1/0x111 [ 67.379972][ T3543] ? _raw_spin_lock_irqsave+0xac/0x120 [ 67.385638][ T3543] print_report+0xe6/0x4f0 [ 67.390084][ T3543] ? __virt_addr_valid+0x54/0x2e0 [ 67.395141][ T3543] ? get_block+0x563/0x1690 [ 67.399668][ T3543] kasan_report+0x136/0x160 [ 67.404214][ T3543] ? get_block+0x563/0x1690 [ 67.408911][ T3543] kasan_check_range+0x27f/0x290 [ 67.413894][ T3543] get_block+0x563/0x1690 [ 67.418254][ T3543] ? sysv_truncate+0x1050/0x1050 [ 67.423202][ T3543] ? attach_page_private+0x110/0x300 [ 67.428503][ T3543] ? create_page_buffers+0x24e/0x4b0 [ 67.433796][ T3543] __block_write_begin_int+0x544/0x1a30 [ 67.439367][ T3543] ? sysv_truncate+0x1050/0x1050 [ 67.444312][ T3543] ? page_zero_new_buffers+0x650/0x650 [ 67.449800][ T3543] ? sysv_truncate+0x1050/0x1050 [ 67.454755][ T3543] block_write_begin+0x98/0x1f0 [ 67.459618][ T3543] ? sysv_write_begin+0x16/0x60 [ 67.464480][ T3543] sysv_write_begin+0x2d/0x60 [ 67.469172][ T3543] generic_perform_write+0x2fc/0x5e0 [ 67.474489][ T3543] ? generic_file_direct_write+0x460/0x460 [ 67.480331][ T3543] ? __file_remove_privs+0x640/0x640 [ 67.485646][ T3543] ? generic_write_checks+0x15c/0x1c0 [ 67.491046][ T3543] ? clear_nonspinnable+0x60/0x60 [ 67.496217][ T3543] __generic_file_write_iter+0x176/0x400 [ 67.501881][ T3543] generic_file_write_iter+0xab/0x310 [ 67.507296][ T3543] do_iter_write+0x6e6/0xc50 [ 67.511914][ T3543] ? vfs_iter_write+0xa0/0xa0 [ 67.516596][ T3543] ? rcu_read_lock_any_held+0xb3/0x160 [ 67.522079][ T3543] do_pwritev+0x216/0x360 [ 67.526423][ T3543] ? do_preadv+0x350/0x350 [ 67.530850][ T3543] ? lockdep_hardirqs_on_prepare+0x438/0x7a0 [ 67.536836][ T3543] ? print_irqtrace_events+0x210/0x210 [ 67.542302][ T3543] ? syscall_enter_from_user_mode+0x2e/0x220 [ 67.548298][ T3543] ? lockdep_hardirqs_on+0x94/0x130 [ 67.553511][ T3543] ? syscall_enter_from_user_mode+0x2e/0x220 [ 67.559517][ T3543] do_syscall_64+0x3d/0xb0 [ 67.563947][ T3543] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 67.570145][ T3543] RIP: 0033:0x7ff96ee68b29 [ 67.574576][ T3543] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 14 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 c0 ff ff ff f7 d8 64 89 01 48 [ 67.594466][ T3543] RSP: 002b:00007fff64f19f18 EFLAGS: 00000246 ORIG_RAX: 0000000000000128 [ 67.603001][ T3543] RAX: ffffffffffffffda RBX: 0031656c69662f2e RCX: 00007ff96ee68b29 [ 67.611089][ T3543] RDX: 0000000000000005 RSI: 0000000020000480 RDI: 0000000000000004 [ 67.619094][ T3543] RBP: 00007ff96ee28160 R08: 0000000000000000 R09: 0000000000000000 [ 67.627093][ T3543] R10: 0000000000007fff R11: 0000000000000246 R12: 00007ff96ee281f0 [ 67.635079][ T3543] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 67.643080][ T3543] [ 67.646129][ T3543] ================================================================== [ 67.654678][ T3543] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 67.661914][ T3543] CPU: 0 PID: 3543 Comm: syz-executor347 Not tainted 6.1.34-syzkaller #0 [ 67.670353][ T3543] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 [ 67.680432][ T3543] Call Trace: [ 67.683738][ T3543] [ 67.686681][ T3543] dump_stack_lvl+0x1e3/0x2cb [ 67.691379][ T3543] ? nf_tcp_handle_invalid+0x642/0x642 [ 67.696856][ T3543] ? panic+0x75d/0x75d [ 67.700942][ T3543] ? preempt_schedule_common+0xa6/0xd0 [ 67.706415][ T3543] ? vscnprintf+0x59/0x80 [ 67.710756][ T3543] panic+0x318/0x75d [ 67.714669][ T3543] ? check_panic_on_warn+0x1d/0xa0 [ 67.719807][ T3543] ? memcpy_page_flushcache+0xfc/0xfc [ 67.725212][ T3543] ? _raw_spin_unlock_irqrestore+0x128/0x130 [ 67.731387][ T3543] ? _raw_spin_unlock+0x40/0x40 [ 67.736258][ T3543] ? print_report+0xe6/0x4f0 [ 67.741193][ T3543] check_panic_on_warn+0x7e/0xa0 [ 67.746158][ T3543] ? get_block+0x563/0x1690 [ 67.750671][ T3543] end_report+0x66/0x110 [ 67.754932][ T3543] kasan_report+0x143/0x160 [ 67.759452][ T3543] ? get_block+0x563/0x1690 [ 67.763966][ T3543] kasan_check_range+0x27f/0x290 [ 67.768928][ T3543] get_block+0x563/0x1690 [ 67.773281][ T3543] ? sysv_truncate+0x1050/0x1050 [ 67.778231][ T3543] ? attach_page_private+0x110/0x300 [ 67.783529][ T3543] ? create_page_buffers+0x24e/0x4b0 [ 67.788822][ T3543] __block_write_begin_int+0x544/0x1a30 [ 67.794408][ T3543] ? sysv_truncate+0x1050/0x1050 [ 67.799450][ T3543] ? page_zero_new_buffers+0x650/0x650 [ 67.804942][ T3543] ? sysv_truncate+0x1050/0x1050 [ 67.809894][ T3543] block_write_begin+0x98/0x1f0 [ 67.814772][ T3543] ? sysv_write_begin+0x16/0x60 [ 67.819656][ T3543] sysv_write_begin+0x2d/0x60 [ 67.824359][ T3543] generic_perform_write+0x2fc/0x5e0 [ 67.829689][ T3543] ? generic_file_direct_write+0x460/0x460 [ 67.835692][ T3543] ? __file_remove_privs+0x640/0x640 [ 67.841017][ T3543] ? generic_write_checks+0x15c/0x1c0 [ 67.846428][ T3543] ? clear_nonspinnable+0x60/0x60 [ 67.851497][ T3543] __generic_file_write_iter+0x176/0x400 [ 67.857178][ T3543] generic_file_write_iter+0xab/0x310 [ 67.862861][ T3543] do_iter_write+0x6e6/0xc50 [ 67.867485][ T3543] ? vfs_iter_write+0xa0/0xa0 [ 67.872172][ T3543] ? rcu_read_lock_any_held+0xb3/0x160 [ 67.877882][ T3543] do_pwritev+0x216/0x360 [ 67.882250][ T3543] ? do_preadv+0x350/0x350 [ 67.886689][ T3543] ? lockdep_hardirqs_on_prepare+0x438/0x7a0 [ 67.892687][ T3543] ? print_irqtrace_events+0x210/0x210 [ 67.898160][ T3543] ? syscall_enter_from_user_mode+0x2e/0x220 [ 67.904157][ T3543] ? lockdep_hardirqs_on+0x94/0x130 [ 67.909376][ T3543] ? syscall_enter_from_user_mode+0x2e/0x220 [ 67.915392][ T3543] do_syscall_64+0x3d/0xb0 [ 67.919831][ T3543] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 67.925998][ T3543] RIP: 0033:0x7ff96ee68b29 [ 67.930777][ T3543] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 14 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 c0 ff ff ff f7 d8 64 89 01 48 [ 67.950498][ T3543] RSP: 002b:00007fff64f19f18 EFLAGS: 00000246 ORIG_RAX: 0000000000000128 [ 67.959100][ T3543] RAX: ffffffffffffffda RBX: 0031656c69662f2e RCX: 00007ff96ee68b29 [ 67.967159][ T3543] RDX: 0000000000000005 RSI: 0000000020000480 RDI: 0000000000000004 [ 67.975233][ T3543] RBP: 00007ff96ee28160 R08: 0000000000000000 R09: 0000000000000000 [ 67.983226][ T3543] R10: 0000000000007fff R11: 0000000000000246 R12: 00007ff96ee281f0 [ 67.991216][ T3543] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 67.999321][ T3543] [ 68.002408][ T3543] Kernel Offset: disabled [ 68.006755][ T3543] Rebooting in 86400 seconds..