Warning: Permanently added '10.128.1.88' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 43.485930][ T3501] loop0: detected capacity change from 0 to 32768 [ 43.697211][ T3501] ================================================================================ [ 43.706935][ T3501] UBSAN: shift-out-of-bounds in fs/jfs/jfs_extent.c:511:16 [ 43.714213][ T3501] shift exponent -1 is negative [ 43.719511][ T3501] CPU: 1 PID: 3501 Comm: syz-executor826 Not tainted 5.15.112-syzkaller #0 [ 43.728169][ T3501] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023 [ 43.738222][ T3501] Call Trace: [ 43.741500][ T3501] [ 43.744425][ T3501] dump_stack_lvl+0x1e3/0x2cb [ 43.749129][ T3501] ? io_uring_drop_tctx_refs+0x19d/0x19d [ 43.754786][ T3501] ? panic+0x84d/0x84d [ 43.758858][ T3501] ? extAlloc+0x106/0x1010 [ 43.763270][ T3501] __ubsan_handle_shift_out_of_bounds+0x3bf/0x420 [ 43.770196][ T3501] ? do_raw_spin_unlock+0x137/0x8b0 [ 43.775399][ T3501] extAlloc+0xe4f/0x1010 [ 43.779722][ T3501] ? jfs_ioc_trim+0x660/0x660 [ 43.784414][ T3501] ? down_write_nested+0x117/0x180 [ 43.789517][ T3501] ? down_read_non_owner+0x310/0x310 [ 43.794880][ T3501] ? memset+0x1f/0x40 [ 43.798854][ T3501] jfs_get_block+0x417/0xe50 [ 43.803438][ T3501] ? jfs_dirty_inode+0x230/0x230 [ 43.808368][ T3501] nobh_write_begin+0x398/0xda0 [ 43.813217][ T3501] jfs_write_begin+0x3e/0x80 [ 43.817815][ T3501] ? jfs_dirty_inode+0x230/0x230 [ 43.822740][ T3501] generic_perform_write+0x2bf/0x5b0 [ 43.828021][ T3501] ? grab_cache_page_write_begin+0x90/0x90 [ 43.833836][ T3501] ? file_remove_privs+0x610/0x610 [ 43.838957][ T3501] ? down_write+0x10e/0x170 [ 43.843485][ T3501] __generic_file_write_iter+0x243/0x4f0 [ 43.849197][ T3501] generic_file_write_iter+0xa7/0x1b0 [ 43.854560][ T3501] vfs_write+0xacf/0xe50 [ 43.858800][ T3501] ? file_end_write+0x250/0x250 [ 43.863665][ T3501] ? read_lock_is_recursive+0x10/0x10 [ 43.869125][ T3501] ? __fdget_pos+0x272/0x300 [ 43.873718][ T3501] ksys_write+0x1a2/0x2c0 [ 43.878034][ T3501] ? print_irqtrace_events+0x210/0x210 [ 43.883786][ T3501] ? __ia32_sys_read+0x80/0x80 [ 43.888539][ T3501] ? syscall_enter_from_user_mode+0x2e/0x230 [ 43.894506][ T3501] ? lockdep_hardirqs_on+0x94/0x130 [ 43.899695][ T3501] ? syscall_enter_from_user_mode+0x2e/0x230 [ 43.905664][ T3501] do_syscall_64+0x3d/0xb0 [ 43.910067][ T3501] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 43.915942][ T3501] RIP: 0033:0x7ff17f6f5519 [ 43.920431][ T3501] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 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 [ 43.940022][ T3501] RSP: 002b:00007ffd57004ff8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 43.948445][ T3501] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff17f6f5519 [ 43.956430][ T3501] RDX: 000000000208e24b RSI: 0000000020000180 RDI: 0000000000000005 [ 43.965339][ T3501] RBP: 0000000000000000 R08: 00007ff17f768ec0 R09: 00007ff17f768ec0 [ 43.973293][ T3501] R10: 00007ff17f768ec0 R11: 0000000000000246 R12: 00007ffd57005020 [ 43.981780][ T3501] R13: 0000000000000000 R14: 431bde82d7b634db R15: 0000000000000000 [ 43.989772][ T3501] [ 43.992977][ T3501] ================================================================================ [ 44.002419][ T3501] Kernel panic - not syncing: UBSAN: panic_on_warn set ... [ 44.009691][ T3501] CPU: 1 PID: 3501 Comm: syz-executor826 Not tainted 5.15.112-syzkaller #0 [ 44.018277][ T3501] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023 [ 44.028318][ T3501] Call Trace: [ 44.031584][ T3501] [ 44.034498][ T3501] dump_stack_lvl+0x1e3/0x2cb [ 44.039163][ T3501] ? io_uring_drop_tctx_refs+0x19d/0x19d [ 44.044781][ T3501] ? panic+0x84d/0x84d [ 44.048847][ T3501] panic+0x318/0x84d [ 44.052741][ T3501] ? check_panic_on_warn+0x1d/0xa0 [ 44.057871][ T3501] ? fb_is_primary_device+0xcc/0xcc [ 44.063094][ T3501] ? dump_stack_lvl+0x24f/0x2cb [ 44.067935][ T3501] check_panic_on_warn+0x7e/0xa0 [ 44.072883][ T3501] __ubsan_handle_shift_out_of_bounds+0x3de/0x420 [ 44.079334][ T3501] ? do_raw_spin_unlock+0x137/0x8b0 [ 44.084516][ T3501] extAlloc+0xe4f/0x1010 [ 44.088753][ T3501] ? jfs_ioc_trim+0x660/0x660 [ 44.093413][ T3501] ? down_write_nested+0x117/0x180 [ 44.098512][ T3501] ? down_read_non_owner+0x310/0x310 [ 44.103786][ T3501] ? memset+0x1f/0x40 [ 44.107789][ T3501] jfs_get_block+0x417/0xe50 [ 44.112426][ T3501] ? jfs_dirty_inode+0x230/0x230 [ 44.117380][ T3501] nobh_write_begin+0x398/0xda0 [ 44.122232][ T3501] jfs_write_begin+0x3e/0x80 [ 44.127217][ T3501] ? jfs_dirty_inode+0x230/0x230 [ 44.133314][ T3501] generic_perform_write+0x2bf/0x5b0 [ 44.138628][ T3501] ? grab_cache_page_write_begin+0x90/0x90 [ 44.144437][ T3501] ? file_remove_privs+0x610/0x610 [ 44.149568][ T3501] ? down_write+0x10e/0x170 [ 44.154061][ T3501] __generic_file_write_iter+0x243/0x4f0 [ 44.160148][ T3501] generic_file_write_iter+0xa7/0x1b0 [ 44.165623][ T3501] vfs_write+0xacf/0xe50 [ 44.169903][ T3501] ? file_end_write+0x250/0x250 [ 44.174837][ T3501] ? read_lock_is_recursive+0x10/0x10 [ 44.180226][ T3501] ? __fdget_pos+0x272/0x300 [ 44.185214][ T3501] ksys_write+0x1a2/0x2c0 [ 44.189583][ T3501] ? print_irqtrace_events+0x210/0x210 [ 44.195067][ T3501] ? __ia32_sys_read+0x80/0x80 [ 44.199862][ T3501] ? syscall_enter_from_user_mode+0x2e/0x230 [ 44.205829][ T3501] ? lockdep_hardirqs_on+0x94/0x130 [ 44.211016][ T3501] ? syscall_enter_from_user_mode+0x2e/0x230 [ 44.217000][ T3501] do_syscall_64+0x3d/0xb0 [ 44.221412][ T3501] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 44.227286][ T3501] RIP: 0033:0x7ff17f6f5519 [ 44.231802][ T3501] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 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 [ 44.251789][ T3501] RSP: 002b:00007ffd57004ff8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 44.260197][ T3501] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff17f6f5519 [ 44.268282][ T3501] RDX: 000000000208e24b RSI: 0000000020000180 RDI: 0000000000000005 [ 44.276532][ T3501] RBP: 0000000000000000 R08: 00007ff17f768ec0 R09: 00007ff17f768ec0 [ 44.285034][ T3501] R10: 00007ff17f768ec0 R11: 0000000000000246 R12: 00007ffd57005020 [ 44.293091][ T3501] R13: 0000000000000000 R14: 431bde82d7b634db R15: 0000000000000000 [ 44.301325][ T3501] [ 44.304650][ T3501] Kernel Offset: disabled [ 44.309078][ T3501] Rebooting in 86400 seconds..