Warning: Permanently added '10.128.0.57' (ECDSA) to the list of known hosts. executing program [ 62.397457][ T3543] loop0: detected capacity change from 0 to 32768 [ 62.666066][ T3543] ================================================================================ [ 62.675625][ T3543] UBSAN: shift-out-of-bounds in fs/jfs/jfs_extent.c:314:16 [ 62.682850][ T3543] shift exponent -1 is negative [ 62.688004][ T3543] CPU: 0 PID: 3543 Comm: syz-executor268 Not tainted 6.1.34-syzkaller #0 [ 62.696446][ T3543] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 [ 62.706506][ T3543] Call Trace: [ 62.709786][ T3543] [ 62.712718][ T3543] dump_stack_lvl+0x1e3/0x2cb [ 62.717434][ T3543] ? nf_tcp_handle_invalid+0x642/0x642 [ 62.722915][ T3543] ? panic+0x75d/0x75d [ 62.727011][ T3543] ? extAlloc+0x106/0x1010 [ 62.731459][ T3543] __ubsan_handle_shift_out_of_bounds+0x3bf/0x420 [ 62.737895][ T3543] ? do_raw_spin_unlock+0x137/0x8a0 [ 62.743110][ T3543] extAlloc+0xe4f/0x1010 [ 62.747387][ T3543] ? jfs_ioc_trim+0x660/0x660 [ 62.752100][ T3543] jfs_get_block+0x417/0xe50 [ 62.756696][ T3543] ? create_page_buffers+0x1d2/0x4b0 [ 62.761998][ T3543] ? jfs_dirty_inode+0x230/0x230 [ 62.766951][ T3543] ? create_page_buffers+0x24e/0x4b0 [ 62.772241][ T3543] __block_write_begin_int+0x544/0x1a30 [ 62.777811][ T3543] ? jfs_dirty_inode+0x230/0x230 [ 62.782751][ T3543] ? page_zero_new_buffers+0x650/0x650 [ 62.788228][ T3543] ? jfs_dirty_inode+0x230/0x230 [ 62.793192][ T3543] block_write_begin+0x98/0x1f0 [ 62.798061][ T3543] ? jfs_write_begin+0x16/0x60 [ 62.802842][ T3543] jfs_write_begin+0x2d/0x60 [ 62.807462][ T3543] generic_perform_write+0x2fc/0x5e0 [ 62.812769][ T3543] ? generic_file_direct_write+0x460/0x460 [ 62.818588][ T3543] ? __file_remove_privs+0x640/0x640 [ 62.823973][ T3543] ? generic_write_checks+0x15c/0x1c0 [ 62.829366][ T3543] ? clear_nonspinnable+0x60/0x60 [ 62.834419][ T3543] __generic_file_write_iter+0x176/0x400 [ 62.840071][ T3543] generic_file_write_iter+0xab/0x310 [ 62.845480][ T3543] vfs_write+0x7ae/0xba0 [ 62.849748][ T3543] ? file_end_write+0x250/0x250 [ 62.854614][ T3543] ? __fdget_pos+0x261/0x2f0 [ 62.859241][ T3543] ksys_write+0x19c/0x2c0 [ 62.863574][ T3543] ? print_irqtrace_events+0x210/0x210 [ 62.869037][ T3543] ? __ia32_sys_read+0x80/0x80 [ 62.873804][ T3543] ? syscall_enter_from_user_mode+0x2e/0x220 [ 62.879794][ T3543] ? lockdep_hardirqs_on+0x94/0x130 [ 62.885007][ T3543] ? syscall_enter_from_user_mode+0x2e/0x220 [ 62.891015][ T3543] do_syscall_64+0x3d/0xb0 [ 62.895474][ T3543] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 62.901384][ T3543] RIP: 0033:0x7f4a604282a9 [ 62.905887][ T3543] 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 [ 62.925506][ T3543] RSP: 002b:00007ffc8fcf4fd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 62.933928][ T3543] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4a604282a9 [ 62.941906][ T3543] RDX: 000000000208e24b RSI: 0000000020000040 RDI: 0000000000000004 [ 62.949888][ T3543] RBP: 0000000000000000 R08: 00007f4a6049cec0 R09: 00007f4a6049cec0 [ 62.957878][ T3543] R10: 0000000000000002 R11: 0000000000000246 R12: 00007ffc8fcf5000 [ 62.965849][ T3543] R13: 0000000000000000 R14: 431bde82d7b634db R15: 0000000000000000 [ 62.973832][ T3543] [ 62.977815][ T3543] ================================================================================ [ 62.987177][ T3543] Kernel panic - not syncing: UBSAN: panic_on_warn set ... [ 62.994393][ T3543] CPU: 0 PID: 3543 Comm: syz-executor268 Not tainted 6.1.34-syzkaller #0 [ 63.002813][ T3543] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 [ 63.012883][ T3543] Call Trace: [ 63.016181][ T3543] [ 63.019203][ T3543] dump_stack_lvl+0x1e3/0x2cb [ 63.023903][ T3543] ? nf_tcp_handle_invalid+0x642/0x642 [ 63.029406][ T3543] ? panic+0x75d/0x75d [ 63.033503][ T3543] ? tick_nohz_tick_stopped+0x77/0xb0 [ 63.038880][ T3543] ? __irq_work_queue_local+0x122/0x180 [ 63.044439][ T3543] ? vscnprintf+0x59/0x80 [ 63.048778][ T3543] panic+0x318/0x75d [ 63.052709][ T3543] ? check_panic_on_warn+0x1d/0xa0 [ 63.057864][ T3543] ? memcpy_page_flushcache+0xfc/0xfc [ 63.063245][ T3543] ? dump_stack_lvl+0x24f/0x2cb [ 63.068178][ T3543] check_panic_on_warn+0x7e/0xa0 [ 63.073156][ T3543] __ubsan_handle_shift_out_of_bounds+0x3de/0x420 [ 63.079583][ T3543] ? do_raw_spin_unlock+0x137/0x8a0 [ 63.084792][ T3543] extAlloc+0xe4f/0x1010 [ 63.089068][ T3543] ? jfs_ioc_trim+0x660/0x660 [ 63.093769][ T3543] jfs_get_block+0x417/0xe50 [ 63.098452][ T3543] ? create_page_buffers+0x1d2/0x4b0 [ 63.103757][ T3543] ? jfs_dirty_inode+0x230/0x230 [ 63.108711][ T3543] ? create_page_buffers+0x24e/0x4b0 [ 63.114019][ T3543] __block_write_begin_int+0x544/0x1a30 [ 63.119596][ T3543] ? jfs_dirty_inode+0x230/0x230 [ 63.124543][ T3543] ? page_zero_new_buffers+0x650/0x650 [ 63.130021][ T3543] ? jfs_dirty_inode+0x230/0x230 [ 63.134965][ T3543] block_write_begin+0x98/0x1f0 [ 63.139822][ T3543] ? jfs_write_begin+0x16/0x60 [ 63.144596][ T3543] jfs_write_begin+0x2d/0x60 [ 63.149199][ T3543] generic_perform_write+0x2fc/0x5e0 [ 63.154512][ T3543] ? generic_file_direct_write+0x460/0x460 [ 63.160336][ T3543] ? __file_remove_privs+0x640/0x640 [ 63.165644][ T3543] ? generic_write_checks+0x15c/0x1c0 [ 63.171058][ T3543] ? clear_nonspinnable+0x60/0x60 [ 63.176119][ T3543] __generic_file_write_iter+0x176/0x400 [ 63.181773][ T3543] generic_file_write_iter+0xab/0x310 [ 63.187164][ T3543] vfs_write+0x7ae/0xba0 [ 63.191419][ T3543] ? file_end_write+0x250/0x250 [ 63.196288][ T3543] ? __fdget_pos+0x261/0x2f0 [ 63.200904][ T3543] ksys_write+0x19c/0x2c0 [ 63.205246][ T3543] ? print_irqtrace_events+0x210/0x210 [ 63.210974][ T3543] ? __ia32_sys_read+0x80/0x80 [ 63.215747][ T3543] ? syscall_enter_from_user_mode+0x2e/0x220 [ 63.221744][ T3543] ? lockdep_hardirqs_on+0x94/0x130 [ 63.226969][ T3543] ? syscall_enter_from_user_mode+0x2e/0x220 [ 63.232966][ T3543] do_syscall_64+0x3d/0xb0 [ 63.237503][ T3543] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 63.243406][ T3543] RIP: 0033:0x7f4a604282a9 [ 63.247831][ T3543] 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 [ 63.267444][ T3543] RSP: 002b:00007ffc8fcf4fd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 63.275878][ T3543] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4a604282a9 [ 63.283854][ T3543] RDX: 000000000208e24b RSI: 0000000020000040 RDI: 0000000000000004 [ 63.291834][ T3543] RBP: 0000000000000000 R08: 00007f4a6049cec0 R09: 00007f4a6049cec0 [ 63.299813][ T3543] R10: 0000000000000002 R11: 0000000000000246 R12: 00007ffc8fcf5000 [ 63.307791][ T3543] R13: 0000000000000000 R14: 431bde82d7b634db R15: 0000000000000000 [ 63.315783][ T3543] [ 63.319036][ T3543] Kernel Offset: disabled [ 63.323458][ T3543] Rebooting in 86400 seconds..