Warning: Permanently added '10.128.1.30' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 44.484974][ T3498] loop0: detected capacity change from 0 to 32768 [ 44.691038][ T3498] ================================================================================ [ 44.700472][ T3498] UBSAN: shift-out-of-bounds in fs/jfs/jfs_extent.c:511:16 [ 44.708188][ T3498] shift exponent -1 is negative [ 44.713190][ T3498] CPU: 1 PID: 3498 Comm: syz-executor338 Not tainted 5.15.118-syzkaller #0 [ 44.721784][ T3498] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 [ 44.731819][ T3498] Call Trace: [ 44.735089][ T3498] [ 44.738001][ T3498] dump_stack_lvl+0x1e3/0x2cb [ 44.742683][ T3498] ? io_uring_drop_tctx_refs+0x19d/0x19d [ 44.748295][ T3498] ? panic+0x84d/0x84d [ 44.752339][ T3498] ? extAlloc+0x106/0x1010 [ 44.756735][ T3498] __ubsan_handle_shift_out_of_bounds+0x3bf/0x420 [ 44.763137][ T3498] ? do_raw_spin_unlock+0x137/0x8b0 [ 44.768577][ T3498] extAlloc+0xe4f/0x1010 [ 44.772803][ T3498] ? jfs_ioc_trim+0x660/0x660 [ 44.777457][ T3498] ? down_write_nested+0x117/0x180 [ 44.782544][ T3498] ? down_read_non_owner+0x310/0x310 [ 44.787806][ T3498] ? memset+0x1f/0x40 [ 44.791767][ T3498] jfs_get_block+0x417/0xe50 [ 44.796339][ T3498] ? jfs_dirty_inode+0x230/0x230 [ 44.801259][ T3498] nobh_write_begin+0x398/0xda0 [ 44.806093][ T3498] jfs_write_begin+0x3e/0x80 [ 44.810658][ T3498] ? jfs_dirty_inode+0x230/0x230 [ 44.815570][ T3498] generic_perform_write+0x2bf/0x5b0 [ 44.820840][ T3498] ? grab_cache_page_write_begin+0x90/0x90 [ 44.826620][ T3498] ? file_remove_privs+0x610/0x610 [ 44.831716][ T3498] ? down_write+0x10e/0x170 [ 44.836201][ T3498] __generic_file_write_iter+0x243/0x4f0 [ 44.841813][ T3498] generic_file_write_iter+0xa7/0x1b0 [ 44.847162][ T3498] vfs_write+0xacf/0xe50 [ 44.851387][ T3498] ? file_end_write+0x250/0x250 [ 44.856216][ T3498] ? read_lock_is_recursive+0x10/0x10 [ 44.861573][ T3498] ? __fdget_pos+0x272/0x300 [ 44.866141][ T3498] ksys_write+0x1a2/0x2c0 [ 44.870445][ T3498] ? print_irqtrace_events+0x210/0x210 [ 44.875881][ T3498] ? __ia32_sys_read+0x80/0x80 [ 44.880620][ T3498] ? syscall_enter_from_user_mode+0x2e/0x230 [ 44.886573][ T3498] ? lockdep_hardirqs_on+0x94/0x130 [ 44.891746][ T3498] ? syscall_enter_from_user_mode+0x2e/0x230 [ 44.897806][ T3498] do_syscall_64+0x3d/0xb0 [ 44.902199][ T3498] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 44.908066][ T3498] RIP: 0033:0x7f044c6a4849 [ 44.912468][ T3498] 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 [ 44.932068][ T3498] RSP: 002b:00007ffefbe2f568 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 44.940461][ T3498] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f044c6a4849 [ 44.948756][ T3498] RDX: 00000000200000c7 RSI: 00000000200000c0 RDI: 0000000000000004 [ 44.956703][ T3498] RBP: 00007f044c6640e0 R08: 0000000000000000 R09: 0000000000000000 [ 44.964649][ T3498] R10: 0000000000005eac R11: 0000000000000246 R12: 00007f044c664170 [ 44.972681][ T3498] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 44.980633][ T3498] [ 44.983867][ T3498] ================================================================================ [ 44.993161][ T3498] Kernel panic - not syncing: UBSAN: panic_on_warn set ... [ 45.000328][ T3498] CPU: 1 PID: 3498 Comm: syz-executor338 Not tainted 5.15.118-syzkaller #0 [ 45.008887][ T3498] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 [ 45.018917][ T3498] Call Trace: [ 45.022176][ T3498] [ 45.025081][ T3498] dump_stack_lvl+0x1e3/0x2cb [ 45.029742][ T3498] ? io_uring_drop_tctx_refs+0x19d/0x19d [ 45.035352][ T3498] ? panic+0x84d/0x84d [ 45.039400][ T3498] panic+0x318/0x84d [ 45.043271][ T3498] ? check_panic_on_warn+0x1d/0xa0 [ 45.048356][ T3498] ? fb_is_primary_device+0xcc/0xcc [ 45.053527][ T3498] ? dump_stack_lvl+0x24f/0x2cb [ 45.058363][ T3498] check_panic_on_warn+0x7e/0xa0 [ 45.063278][ T3498] __ubsan_handle_shift_out_of_bounds+0x3de/0x420 [ 45.069673][ T3498] ? do_raw_spin_unlock+0x137/0x8b0 [ 45.074849][ T3498] extAlloc+0xe4f/0x1010 [ 45.079077][ T3498] ? jfs_ioc_trim+0x660/0x660 [ 45.083729][ T3498] ? down_write_nested+0x117/0x180 [ 45.088815][ T3498] ? down_read_non_owner+0x310/0x310 [ 45.094074][ T3498] ? memset+0x1f/0x40 [ 45.098036][ T3498] jfs_get_block+0x417/0xe50 [ 45.102604][ T3498] ? jfs_dirty_inode+0x230/0x230 [ 45.107520][ T3498] nobh_write_begin+0x398/0xda0 [ 45.112351][ T3498] jfs_write_begin+0x3e/0x80 [ 45.116917][ T3498] ? jfs_dirty_inode+0x230/0x230 [ 45.121829][ T3498] generic_perform_write+0x2bf/0x5b0 [ 45.127094][ T3498] ? grab_cache_page_write_begin+0x90/0x90 [ 45.132876][ T3498] ? file_remove_privs+0x610/0x610 [ 45.137966][ T3498] ? down_write+0x10e/0x170 [ 45.142443][ T3498] __generic_file_write_iter+0x243/0x4f0 [ 45.148051][ T3498] generic_file_write_iter+0xa7/0x1b0 [ 45.153396][ T3498] vfs_write+0xacf/0xe50 [ 45.157617][ T3498] ? file_end_write+0x250/0x250 [ 45.162441][ T3498] ? read_lock_is_recursive+0x10/0x10 [ 45.167790][ T3498] ? __fdget_pos+0x272/0x300 [ 45.172353][ T3498] ksys_write+0x1a2/0x2c0 [ 45.177012][ T3498] ? print_irqtrace_events+0x210/0x210 [ 45.182447][ T3498] ? __ia32_sys_read+0x80/0x80 [ 45.187204][ T3498] ? syscall_enter_from_user_mode+0x2e/0x230 [ 45.193165][ T3498] ? lockdep_hardirqs_on+0x94/0x130 [ 45.198341][ T3498] ? syscall_enter_from_user_mode+0x2e/0x230 [ 45.204297][ T3498] do_syscall_64+0x3d/0xb0 [ 45.208685][ T3498] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 45.214551][ T3498] RIP: 0033:0x7f044c6a4849 [ 45.218944][ T3498] 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 [ 45.238522][ T3498] RSP: 002b:00007ffefbe2f568 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 45.246912][ T3498] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f044c6a4849 [ 45.254862][ T3498] RDX: 00000000200000c7 RSI: 00000000200000c0 RDI: 0000000000000004 [ 45.262946][ T3498] RBP: 00007f044c6640e0 R08: 0000000000000000 R09: 0000000000000000 [ 45.270904][ T3498] R10: 0000000000005eac R11: 0000000000000246 R12: 00007f044c664170 [ 45.278852][ T3498] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 45.286809][ T3498] [ 45.289889][ T3498] Kernel Offset: disabled [ 45.294267][ T3498] Rebooting in 86400 seconds..