Warning: Permanently added '10.128.1.140' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 53.977200][ T3499] loop0: detected capacity change from 0 to 32768 [ 54.254152][ T3499] ================================================================================ [ 54.264232][ T3499] UBSAN: shift-out-of-bounds in fs/jfs/jfs_extent.c:511:16 [ 54.271589][ T3499] shift exponent -1 is negative [ 54.276532][ T3499] CPU: 1 PID: 3499 Comm: syz-executor944 Not tainted 5.15.119-syzkaller #0 [ 54.285127][ T3499] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 [ 54.295173][ T3499] Call Trace: [ 54.298456][ T3499] [ 54.301377][ T3499] dump_stack_lvl+0x1e3/0x2cb [ 54.306067][ T3499] ? io_uring_drop_tctx_refs+0x19d/0x19d [ 54.311712][ T3499] ? panic+0x84d/0x84d [ 54.315780][ T3499] ? extAlloc+0x106/0x1010 [ 54.320193][ T3499] __ubsan_handle_shift_out_of_bounds+0x3bf/0x420 [ 54.326694][ T3499] ? do_raw_spin_unlock+0x137/0x8b0 [ 54.331906][ T3499] extAlloc+0xe4f/0x1010 [ 54.336419][ T3499] ? jfs_ioc_trim+0x660/0x660 [ 54.341083][ T3499] ? down_write_nested+0x117/0x180 [ 54.346183][ T3499] ? down_read_non_owner+0x310/0x310 [ 54.351494][ T3499] ? memset+0x1f/0x40 [ 54.355479][ T3499] jfs_get_block+0x417/0xe50 [ 54.360173][ T3499] ? jfs_dirty_inode+0x230/0x230 [ 54.365110][ T3499] nobh_write_begin+0x398/0xda0 [ 54.369961][ T3499] jfs_write_begin+0x3e/0x80 [ 54.374541][ T3499] ? jfs_dirty_inode+0x230/0x230 [ 54.379471][ T3499] generic_perform_write+0x2bf/0x5b0 [ 54.384849][ T3499] ? grab_cache_page_write_begin+0x90/0x90 [ 54.390651][ T3499] ? file_remove_privs+0x610/0x610 [ 54.396124][ T3499] ? down_write+0x10e/0x170 [ 54.400641][ T3499] __generic_file_write_iter+0x243/0x4f0 [ 54.406345][ T3499] generic_file_write_iter+0xa7/0x1b0 [ 54.411929][ T3499] vfs_write+0xacf/0xe50 [ 54.416384][ T3499] ? file_end_write+0x250/0x250 [ 54.421247][ T3499] ? rcu_lock_acquire+0x30/0x30 [ 54.426283][ T3499] ? __fdget_pos+0x272/0x300 [ 54.430874][ T3499] ksys_write+0x1a2/0x2c0 [ 54.435203][ T3499] ? print_irqtrace_events+0x210/0x210 [ 54.440746][ T3499] ? __ia32_sys_read+0x80/0x80 [ 54.445535][ T3499] ? syscall_enter_from_user_mode+0x2e/0x230 [ 54.451513][ T3499] ? lockdep_hardirqs_on+0x94/0x130 [ 54.456805][ T3499] ? syscall_enter_from_user_mode+0x2e/0x230 [ 54.462782][ T3499] do_syscall_64+0x3d/0xb0 [ 54.467194][ T3499] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 54.473126][ T3499] RIP: 0033:0x7f6768b88859 [ 54.477545][ T3499] 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 [ 54.497922][ T3499] RSP: 002b:00007fffcac3b6d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 54.506328][ T3499] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6768b88859 [ 54.514290][ T3499] RDX: 00000000200000c7 RSI: 00000000200000c0 RDI: 0000000000000004 [ 54.522249][ T3499] RBP: 00007f6768b480f0 R08: 0000000000000000 R09: 0000000000000000 [ 54.530334][ T3499] R10: 0000000000005eac R11: 0000000000000246 R12: 00007f6768b48180 [ 54.538299][ T3499] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 54.546285][ T3499] [ 54.549573][ T3499] ================================================================================ [ 54.559177][ T3499] Kernel panic - not syncing: UBSAN: panic_on_warn set ... [ 54.566361][ T3499] CPU: 1 PID: 3499 Comm: syz-executor944 Not tainted 5.15.119-syzkaller #0 [ 54.575026][ T3499] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 [ 54.585078][ T3499] Call Trace: [ 54.588356][ T3499] [ 54.591371][ T3499] dump_stack_lvl+0x1e3/0x2cb [ 54.596220][ T3499] ? io_uring_drop_tctx_refs+0x19d/0x19d [ 54.601952][ T3499] ? panic+0x84d/0x84d [ 54.606061][ T3499] panic+0x318/0x84d [ 54.609950][ T3499] ? check_panic_on_warn+0x1d/0xa0 [ 54.615320][ T3499] ? fb_is_primary_device+0xcc/0xcc [ 54.620874][ T3499] ? dump_stack_lvl+0x24f/0x2cb [ 54.625823][ T3499] check_panic_on_warn+0x7e/0xa0 [ 54.630859][ T3499] __ubsan_handle_shift_out_of_bounds+0x3de/0x420 [ 54.637439][ T3499] ? do_raw_spin_unlock+0x137/0x8b0 [ 54.642663][ T3499] extAlloc+0xe4f/0x1010 [ 54.646932][ T3499] ? jfs_ioc_trim+0x660/0x660 [ 54.651604][ T3499] ? down_write_nested+0x117/0x180 [ 54.656977][ T3499] ? down_read_non_owner+0x310/0x310 [ 54.662467][ T3499] ? memset+0x1f/0x40 [ 54.666472][ T3499] jfs_get_block+0x417/0xe50 [ 54.671123][ T3499] ? jfs_dirty_inode+0x230/0x230 [ 54.676202][ T3499] nobh_write_begin+0x398/0xda0 [ 54.681278][ T3499] jfs_write_begin+0x3e/0x80 [ 54.686675][ T3499] ? jfs_dirty_inode+0x230/0x230 [ 54.691760][ T3499] generic_perform_write+0x2bf/0x5b0 [ 54.697374][ T3499] ? grab_cache_page_write_begin+0x90/0x90 [ 54.703204][ T3499] ? file_remove_privs+0x610/0x610 [ 54.708334][ T3499] ? down_write+0x10e/0x170 [ 54.712852][ T3499] __generic_file_write_iter+0x243/0x4f0 [ 54.718495][ T3499] generic_file_write_iter+0xa7/0x1b0 [ 54.723876][ T3499] vfs_write+0xacf/0xe50 [ 54.728123][ T3499] ? file_end_write+0x250/0x250 [ 54.733175][ T3499] ? rcu_lock_acquire+0x30/0x30 [ 54.738129][ T3499] ? __fdget_pos+0x272/0x300 [ 54.742723][ T3499] ksys_write+0x1a2/0x2c0 [ 54.747052][ T3499] ? print_irqtrace_events+0x210/0x210 [ 54.752512][ T3499] ? __ia32_sys_read+0x80/0x80 [ 54.757272][ T3499] ? syscall_enter_from_user_mode+0x2e/0x230 [ 54.763246][ T3499] ? lockdep_hardirqs_on+0x94/0x130 [ 54.768440][ T3499] ? syscall_enter_from_user_mode+0x2e/0x230 [ 54.774527][ T3499] do_syscall_64+0x3d/0xb0 [ 54.778949][ T3499] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 54.784853][ T3499] RIP: 0033:0x7f6768b88859 [ 54.789276][ T3499] 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 [ 54.808882][ T3499] RSP: 002b:00007fffcac3b6d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 54.817299][ T3499] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6768b88859 [ 54.825273][ T3499] RDX: 00000000200000c7 RSI: 00000000200000c0 RDI: 0000000000000004 [ 54.833453][ T3499] RBP: 00007f6768b480f0 R08: 0000000000000000 R09: 0000000000000000 [ 54.841434][ T3499] R10: 0000000000005eac R11: 0000000000000246 R12: 00007f6768b48180 [ 54.849407][ T3499] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 54.857382][ T3499] [ 54.860665][ T3499] Kernel Offset: disabled [ 54.865072][ T3499] Rebooting in 86400 seconds..