Warning: Permanently added '10.128.0.57' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 56.376637][ T3544] loop0: detected capacity change from 0 to 32768 [ 56.643769][ T3544] ================================================================================ [ 56.653316][ T3544] UBSAN: shift-out-of-bounds in fs/jfs/jfs_extent.c:314:16 [ 56.660533][ T3544] shift exponent -1 is negative [ 56.665514][ T3544] CPU: 1 PID: 3544 Comm: syz-executor106 Not tainted 6.1.28-syzkaller #0 [ 56.673944][ T3544] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023 [ 56.684001][ T3544] Call Trace: [ 56.687280][ T3544] [ 56.690214][ T3544] dump_stack_lvl+0x1e3/0x2cb [ 56.694926][ T3544] ? nf_tcp_handle_invalid+0x642/0x642 [ 56.700398][ T3544] ? panic+0x75d/0x75d [ 56.704509][ T3544] ? extAlloc+0x106/0x1010 [ 56.708937][ T3544] __ubsan_handle_shift_out_of_bounds+0x3bf/0x420 [ 56.715394][ T3544] ? do_raw_spin_unlock+0x137/0x8a0 [ 56.720611][ T3544] extAlloc+0xe4f/0x1010 [ 56.724891][ T3544] ? jfs_ioc_trim+0x660/0x660 [ 56.729621][ T3544] jfs_get_block+0x417/0xe50 [ 56.734222][ T3544] ? create_page_buffers+0x1d2/0x4b0 [ 56.739562][ T3544] ? jfs_dirty_inode+0x230/0x230 [ 56.744517][ T3544] ? create_page_buffers+0x24e/0x4b0 [ 56.749809][ T3544] __block_write_begin_int+0x544/0x1a30 [ 56.755378][ T3544] ? jfs_dirty_inode+0x230/0x230 [ 56.760320][ T3544] ? page_zero_new_buffers+0x650/0x650 [ 56.765808][ T3544] ? jfs_dirty_inode+0x230/0x230 [ 56.770750][ T3544] block_write_begin+0x98/0x1f0 [ 56.775611][ T3544] ? jfs_write_begin+0x16/0x60 [ 56.780387][ T3544] jfs_write_begin+0x2d/0x60 [ 56.784988][ T3544] generic_perform_write+0x2fc/0x5e0 [ 56.790300][ T3544] ? generic_file_direct_write+0x460/0x460 [ 56.796125][ T3544] ? __file_remove_privs+0x640/0x640 [ 56.801425][ T3544] ? generic_write_checks+0x15c/0x1c0 [ 56.806823][ T3544] ? clear_nonspinnable+0x60/0x60 [ 56.811878][ T3544] __generic_file_write_iter+0x176/0x400 [ 56.817526][ T3544] generic_file_write_iter+0xab/0x310 [ 56.822911][ T3544] vfs_write+0x7ae/0xba0 [ 56.827169][ T3544] ? file_end_write+0x250/0x250 [ 56.832022][ T3544] ? do_sys_openat2+0x42b/0x500 [ 56.836896][ T3544] ? __fdget_pos+0x261/0x2f0 [ 56.841488][ T3544] ksys_write+0x19c/0x2c0 [ 56.845844][ T3544] ? print_irqtrace_events+0x210/0x210 [ 56.851315][ T3544] ? __ia32_sys_read+0x80/0x80 [ 56.856175][ T3544] ? syscall_enter_from_user_mode+0x2e/0x220 [ 56.862169][ T3544] ? lockdep_hardirqs_on+0x94/0x130 [ 56.867376][ T3544] ? syscall_enter_from_user_mode+0x2e/0x220 [ 56.873367][ T3544] do_syscall_64+0x3d/0xb0 [ 56.877810][ T3544] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 56.883715][ T3544] RIP: 0033:0x7f6247fd2719 [ 56.888146][ T3544] 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 [ 56.907772][ T3544] RSP: 002b:00007ffe99745678 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 56.916280][ T3544] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6247fd2719 [ 56.924271][ T3544] RDX: 000000000208e24b RSI: 0000000020000300 RDI: 0000000000000005 [ 56.932247][ T3544] RBP: 0000000000000000 R08: 00007f6248046ec0 R09: 00007f6248046ec0 [ 56.942691][ T3544] R10: 0000000020005e80 R11: 0000000000000246 R12: 00007ffe997456a0 [ 56.950680][ T3544] R13: 0000000000000000 R14: 431bde82d7b634db R15: 0000000000000000 [ 56.958676][ T3544] [ 56.962416][ T3544] ================================================================================ [ 56.971984][ T3544] Kernel panic - not syncing: UBSAN: panic_on_warn set ... [ 56.979201][ T3544] CPU: 0 PID: 3544 Comm: syz-executor106 Not tainted 6.1.28-syzkaller #0 [ 56.987614][ T3544] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023 [ 56.997669][ T3544] Call Trace: [ 57.000947][ T3544] [ 57.003876][ T3544] dump_stack_lvl+0x1e3/0x2cb [ 57.008670][ T3544] ? nf_tcp_handle_invalid+0x642/0x642 [ 57.014139][ T3544] ? panic+0x75d/0x75d [ 57.018297][ T3544] ? tick_nohz_tick_stopped+0x77/0xb0 [ 57.023667][ T3544] ? __irq_work_queue_local+0x122/0x180 [ 57.029320][ T3544] ? vscnprintf+0x59/0x80 [ 57.033658][ T3544] panic+0x318/0x75d [ 57.037556][ T3544] ? check_panic_on_warn+0x1d/0xa0 [ 57.042666][ T3544] ? memcpy_page_flushcache+0xfc/0xfc [ 57.048038][ T3544] ? dump_stack_lvl+0x24f/0x2cb [ 57.052896][ T3544] check_panic_on_warn+0x7e/0xa0 [ 57.057841][ T3544] __ubsan_handle_shift_out_of_bounds+0x3de/0x420 [ 57.064259][ T3544] ? do_raw_spin_unlock+0x137/0x8a0 [ 57.069459][ T3544] extAlloc+0xe4f/0x1010 [ 57.073716][ T3544] ? jfs_ioc_trim+0x660/0x660 [ 57.078413][ T3544] jfs_get_block+0x417/0xe50 [ 57.083017][ T3544] ? create_page_buffers+0x1d2/0x4b0 [ 57.088307][ T3544] ? jfs_dirty_inode+0x230/0x230 [ 57.093252][ T3544] ? create_page_buffers+0x24e/0x4b0 [ 57.098537][ T3544] __block_write_begin_int+0x544/0x1a30 [ 57.104129][ T3544] ? jfs_dirty_inode+0x230/0x230 [ 57.109067][ T3544] ? page_zero_new_buffers+0x650/0x650 [ 57.114561][ T3544] ? jfs_dirty_inode+0x230/0x230 [ 57.119502][ T3544] block_write_begin+0x98/0x1f0 [ 57.124355][ T3544] ? jfs_write_begin+0x16/0x60 [ 57.129136][ T3544] jfs_write_begin+0x2d/0x60 [ 57.133732][ T3544] generic_perform_write+0x2fc/0x5e0 [ 57.139033][ T3544] ? generic_file_direct_write+0x460/0x460 [ 57.144861][ T3544] ? __file_remove_privs+0x640/0x640 [ 57.150172][ T3544] ? generic_write_checks+0x15c/0x1c0 [ 57.155547][ T3544] ? clear_nonspinnable+0x60/0x60 [ 57.160609][ T3544] __generic_file_write_iter+0x176/0x400 [ 57.166253][ T3544] generic_file_write_iter+0xab/0x310 [ 57.171633][ T3544] vfs_write+0x7ae/0xba0 [ 57.175889][ T3544] ? file_end_write+0x250/0x250 [ 57.180738][ T3544] ? do_sys_openat2+0x42b/0x500 [ 57.185618][ T3544] ? __fdget_pos+0x261/0x2f0 [ 57.190211][ T3544] ksys_write+0x19c/0x2c0 [ 57.194554][ T3544] ? print_irqtrace_events+0x210/0x210 [ 57.200014][ T3544] ? __ia32_sys_read+0x80/0x80 [ 57.204779][ T3544] ? syscall_enter_from_user_mode+0x2e/0x220 [ 57.210763][ T3544] ? lockdep_hardirqs_on+0x94/0x130 [ 57.215969][ T3544] ? syscall_enter_from_user_mode+0x2e/0x220 [ 57.221982][ T3544] do_syscall_64+0x3d/0xb0 [ 57.226404][ T3544] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 57.232308][ T3544] RIP: 0033:0x7f6247fd2719 [ 57.236734][ T3544] 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 [ 57.256368][ T3544] RSP: 002b:00007ffe99745678 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 57.264798][ T3544] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6247fd2719 [ 57.272767][ T3544] RDX: 000000000208e24b RSI: 0000000020000300 RDI: 0000000000000005 [ 57.280746][ T3544] RBP: 0000000000000000 R08: 00007f6248046ec0 R09: 00007f6248046ec0 [ 57.288729][ T3544] R10: 0000000020005e80 R11: 0000000000000246 R12: 00007ffe997456a0 [ 57.296708][ T3544] R13: 0000000000000000 R14: 431bde82d7b634db R15: 0000000000000000 [ 57.304696][ T3544] [ 57.307997][ T3544] Kernel Offset: disabled [ 57.312406][ T3544] Rebooting in 86400 seconds..