Warning: Permanently added '10.128.1.21' (ED25519) to the list of known hosts. executing program [ 55.901925][ T3499] loop0: detected capacity change from 0 to 32768 [ 56.172355][ T3499] ================================================================================ [ 56.181848][ T3499] UBSAN: shift-out-of-bounds in fs/jfs/jfs_extent.c:511:16 [ 56.189254][ T3499] shift exponent -1 is negative [ 56.194124][ T3499] CPU: 0 PID: 3499 Comm: syz-executor318 Not tainted 5.15.120-syzkaller #0 [ 56.202832][ T3499] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/03/2023 [ 56.212978][ T3499] Call Trace: [ 56.216264][ T3499] [ 56.219192][ T3499] dump_stack_lvl+0x1e3/0x2cb [ 56.223926][ T3499] ? io_uring_drop_tctx_refs+0x19d/0x19d [ 56.229582][ T3499] ? panic+0x84d/0x84d [ 56.233660][ T3499] ? extAlloc+0x106/0x1010 [ 56.238080][ T3499] __ubsan_handle_shift_out_of_bounds+0x3bf/0x420 [ 56.244797][ T3499] ? do_raw_spin_unlock+0x137/0x8b0 [ 56.250273][ T3499] extAlloc+0xe4f/0x1010 [ 56.254556][ T3499] ? jfs_ioc_trim+0x660/0x660 [ 56.259231][ T3499] ? down_write_nested+0x117/0x180 [ 56.264440][ T3499] ? down_read_non_owner+0x310/0x310 [ 56.269737][ T3499] ? memset+0x1f/0x40 [ 56.273815][ T3499] jfs_get_block+0x417/0xe50 [ 56.278439][ T3499] ? jfs_dirty_inode+0x230/0x230 [ 56.283404][ T3499] nobh_write_begin+0x398/0xda0 [ 56.288304][ T3499] jfs_write_begin+0x3e/0x80 [ 56.292889][ T3499] ? jfs_dirty_inode+0x230/0x230 [ 56.297842][ T3499] generic_perform_write+0x2bf/0x5b0 [ 56.303132][ T3499] ? grab_cache_page_write_begin+0x90/0x90 [ 56.308931][ T3499] ? file_remove_privs+0x610/0x610 [ 56.314046][ T3499] ? down_write+0x10e/0x170 [ 56.318660][ T3499] __generic_file_write_iter+0x243/0x4f0 [ 56.324319][ T3499] generic_file_write_iter+0xa7/0x1b0 [ 56.329703][ T3499] vfs_write+0xacf/0xe50 [ 56.333989][ T3499] ? file_end_write+0x250/0x250 [ 56.338847][ T3499] ? rcu_lock_acquire+0x30/0x30 [ 56.343716][ T3499] ? __fdget_pos+0x272/0x300 [ 56.348314][ T3499] ksys_write+0x1a2/0x2c0 [ 56.352640][ T3499] ? print_irqtrace_events+0x210/0x210 [ 56.358096][ T3499] ? __ia32_sys_read+0x80/0x80 [ 56.362876][ T3499] ? syscall_enter_from_user_mode+0x2e/0x230 [ 56.368855][ T3499] ? lockdep_hardirqs_on+0x94/0x130 [ 56.374050][ T3499] ? syscall_enter_from_user_mode+0x2e/0x230 [ 56.380027][ T3499] do_syscall_64+0x3d/0xb0 [ 56.384441][ T3499] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 56.390333][ T3499] RIP: 0033:0x7f61b87c4a79 [ 56.394784][ T3499] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 61 17 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 b8 ff ff ff f7 d8 64 89 01 48 [ 56.414500][ T3499] RSP: 002b:00007ffd0f189858 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 56.422931][ T3499] RAX: ffffffffffffffda RBX: 00007ffd0f189a28 RCX: 00007f61b87c4a79 [ 56.431013][ T3499] RDX: 000000000208e24b RSI: 00000000200001c0 RDI: 0000000000000004 [ 56.439106][ T3499] RBP: 00007f61b883d610 R08: 0000000000000000 R09: 00007ffd0f189a28 [ 56.447786][ T3499] R10: 0000000000005de8 R11: 0000000000000246 R12: 0000000000000001 [ 56.456309][ T3499] R13: 00007ffd0f189a18 R14: 0000000000000001 R15: 0000000000000001 [ 56.464387][ T3499] [ 56.467772][ T3499] ================================================================================ [ 56.477221][ T3499] Kernel panic - not syncing: UBSAN: panic_on_warn set ... [ 56.484412][ T3499] CPU: 0 PID: 3499 Comm: syz-executor318 Not tainted 5.15.120-syzkaller #0 [ 56.493173][ T3499] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/03/2023 [ 56.503502][ T3499] Call Trace: [ 56.506782][ T3499] [ 56.509706][ T3499] dump_stack_lvl+0x1e3/0x2cb [ 56.514401][ T3499] ? io_uring_drop_tctx_refs+0x19d/0x19d [ 56.520030][ T3499] ? panic+0x84d/0x84d [ 56.524273][ T3499] panic+0x318/0x84d [ 56.528186][ T3499] ? check_panic_on_warn+0x1d/0xa0 [ 56.533325][ T3499] ? fb_is_primary_device+0xcc/0xcc [ 56.538514][ T3499] ? dump_stack_lvl+0x24f/0x2cb [ 56.543382][ T3499] check_panic_on_warn+0x7e/0xa0 [ 56.548419][ T3499] __ubsan_handle_shift_out_of_bounds+0x3de/0x420 [ 56.554845][ T3499] ? do_raw_spin_unlock+0x137/0x8b0 [ 56.560082][ T3499] extAlloc+0xe4f/0x1010 [ 56.564353][ T3499] ? jfs_ioc_trim+0x660/0x660 [ 56.569208][ T3499] ? down_write_nested+0x117/0x180 [ 56.574340][ T3499] ? down_read_non_owner+0x310/0x310 [ 56.579711][ T3499] ? memset+0x1f/0x40 [ 56.583803][ T3499] jfs_get_block+0x417/0xe50 [ 56.588654][ T3499] ? jfs_dirty_inode+0x230/0x230 [ 56.593713][ T3499] nobh_write_begin+0x398/0xda0 [ 56.598665][ T3499] jfs_write_begin+0x3e/0x80 [ 56.603252][ T3499] ? jfs_dirty_inode+0x230/0x230 [ 56.608198][ T3499] generic_perform_write+0x2bf/0x5b0 [ 56.613588][ T3499] ? grab_cache_page_write_begin+0x90/0x90 [ 56.619397][ T3499] ? file_remove_privs+0x610/0x610 [ 56.624614][ T3499] ? down_write+0x10e/0x170 [ 56.629125][ T3499] __generic_file_write_iter+0x243/0x4f0 [ 56.634846][ T3499] generic_file_write_iter+0xa7/0x1b0 [ 56.640214][ T3499] vfs_write+0xacf/0xe50 [ 56.644455][ T3499] ? file_end_write+0x250/0x250 [ 56.649301][ T3499] ? rcu_lock_acquire+0x30/0x30 [ 56.654151][ T3499] ? __fdget_pos+0x272/0x300 [ 56.658736][ T3499] ksys_write+0x1a2/0x2c0 [ 56.663091][ T3499] ? print_irqtrace_events+0x210/0x210 [ 56.668561][ T3499] ? __ia32_sys_read+0x80/0x80 [ 56.673408][ T3499] ? syscall_enter_from_user_mode+0x2e/0x230 [ 56.679383][ T3499] ? lockdep_hardirqs_on+0x94/0x130 [ 56.684689][ T3499] ? syscall_enter_from_user_mode+0x2e/0x230 [ 56.690667][ T3499] do_syscall_64+0x3d/0xb0 [ 56.695087][ T3499] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 56.700982][ T3499] RIP: 0033:0x7f61b87c4a79 [ 56.705391][ T3499] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 61 17 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 b8 ff ff ff f7 d8 64 89 01 48 [ 56.725075][ T3499] RSP: 002b:00007ffd0f189858 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 56.733484][ T3499] RAX: ffffffffffffffda RBX: 00007ffd0f189a28 RCX: 00007f61b87c4a79 [ 56.741461][ T3499] RDX: 000000000208e24b RSI: 00000000200001c0 RDI: 0000000000000004 [ 56.749427][ T3499] RBP: 00007f61b883d610 R08: 0000000000000000 R09: 00007ffd0f189a28 [ 56.757390][ T3499] R10: 0000000000005de8 R11: 0000000000000246 R12: 0000000000000001 [ 56.765347][ T3499] R13: 00007ffd0f189a18 R14: 0000000000000001 R15: 0000000000000001 [ 56.773319][ T3499] [ 56.776542][ T3499] Kernel Offset: disabled [ 56.781037][ T3499] Rebooting in 86400 seconds..