DUID 00:04:19:c0:d1:0e:d7:c0:27:6c:e7:df:2b:fb:70:54:6d:6b forked to background, child pid 3212 [ 37.326766][ T3213] 8021q: adding VLAN 0 to HW filter on device bond0 [ 37.336473][ T3213] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.1.48' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 63.010599][ T3542] loop0: detected capacity change from 0 to 32768 [ 63.577733][ T3542] ================================================================================ [ 63.587304][ T3542] UBSAN: shift-out-of-bounds in fs/jfs/jfs_extent.c:314:16 [ 63.594504][ T3542] shift exponent -1 is negative [ 63.599979][ T3542] CPU: 0 PID: 3542 Comm: syz-executor148 Not tainted 6.1.30-syzkaller #0 [ 63.608421][ T3542] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023 [ 63.618481][ T3542] Call Trace: [ 63.621754][ T3542] [ 63.624693][ T3542] dump_stack_lvl+0x1e3/0x2cb [ 63.629389][ T3542] ? nf_tcp_handle_invalid+0x642/0x642 [ 63.634848][ T3542] ? panic+0x75d/0x75d [ 63.638936][ T3542] ? extAlloc+0x106/0x1010 [ 63.643354][ T3542] __ubsan_handle_shift_out_of_bounds+0x3bf/0x420 [ 63.649774][ T3542] ? do_raw_spin_unlock+0x137/0x8a0 [ 63.655062][ T3542] extAlloc+0xe4f/0x1010 [ 63.659422][ T3542] ? jfs_ioc_trim+0x660/0x660 [ 63.664127][ T3542] jfs_get_block+0x417/0xe50 [ 63.668722][ T3542] ? create_page_buffers+0x1d2/0x4b0 [ 63.674046][ T3542] ? jfs_dirty_inode+0x230/0x230 [ 63.679015][ T3542] ? create_page_buffers+0x24e/0x4b0 [ 63.684414][ T3542] __block_write_begin_int+0x544/0x1a30 [ 63.690002][ T3542] ? jfs_dirty_inode+0x230/0x230 [ 63.694959][ T3542] ? page_zero_new_buffers+0x650/0x650 [ 63.700435][ T3542] ? jfs_dirty_inode+0x230/0x230 [ 63.705381][ T3542] block_write_begin+0x98/0x1f0 [ 63.710246][ T3542] ? jfs_write_begin+0x16/0x60 [ 63.715027][ T3542] jfs_write_begin+0x2d/0x60 [ 63.719628][ T3542] generic_perform_write+0x2fc/0x5e0 [ 63.725031][ T3542] ? generic_file_direct_write+0x460/0x460 [ 63.730862][ T3542] ? __file_remove_privs+0x640/0x640 [ 63.736169][ T3542] ? generic_write_checks+0x15c/0x1c0 [ 63.741550][ T3542] ? clear_nonspinnable+0x60/0x60 [ 63.746592][ T3542] __generic_file_write_iter+0x176/0x400 [ 63.752266][ T3542] generic_file_write_iter+0xab/0x310 [ 63.757678][ T3542] do_iter_write+0x6e6/0xc50 [ 63.762300][ T3542] ? vfs_iter_write+0xa0/0xa0 [ 63.767003][ T3542] ? vfs_iter_write+0x69/0xa0 [ 63.771704][ T3542] iter_file_splice_write+0x806/0xfa0 [ 63.777118][ T3542] ? splice_from_pipe+0x230/0x230 [ 63.782153][ T3542] ? splice_shrink_spd+0xb0/0xb0 [ 63.787108][ T3542] ? common_file_perm+0x17d/0x1d0 [ 63.792156][ T3542] ? splice_from_pipe+0x230/0x230 [ 63.797210][ T3542] direct_splice_actor+0xe3/0x1c0 [ 63.802258][ T3542] splice_direct_to_actor+0x4c0/0xbd0 [ 63.807658][ T3542] ? do_splice_direct+0x3c0/0x3c0 [ 63.812697][ T3542] ? pipe_to_sendpage+0x350/0x350 [ 63.817731][ T3542] ? fsnotify_perm+0x67/0x590 [ 63.822415][ T3542] ? bpf_lsm_file_permission+0x5/0x10 [ 63.827819][ T3542] do_splice_direct+0x27f/0x3c0 [ 63.832693][ T3542] ? splice_direct_to_actor+0xbd0/0xbd0 [ 63.838254][ T3542] ? rcu_read_lock_any_held+0xb3/0x160 [ 63.843754][ T3542] do_sendfile+0x61c/0xff0 [ 63.848218][ T3542] ? do_pwritev+0x360/0x360 [ 63.852760][ T3542] ? lockdep_hardirqs_on_prepare+0x438/0x7a0 [ 63.858764][ T3542] __se_sys_sendfile64+0x178/0x1e0 [ 63.863898][ T3542] ? __x64_sys_sendfile64+0xa0/0xa0 [ 63.869128][ T3542] ? syscall_enter_from_user_mode+0x2e/0x220 [ 63.875139][ T3542] ? lockdep_hardirqs_on+0x94/0x130 [ 63.880366][ T3542] ? syscall_enter_from_user_mode+0x2e/0x220 [ 63.886376][ T3542] do_syscall_64+0x3d/0xb0 [ 63.890811][ T3542] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 63.896715][ T3542] RIP: 0033:0x7f37619b0899 [ 63.901140][ T3542] 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 [ 63.920751][ T3542] RSP: 002b:00007fff52091fc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 [ 63.929176][ T3542] RAX: ffffffffffffffda RBX: 0031656c69662f2e RCX: 00007f37619b0899 [ 63.937243][ T3542] RDX: 0000000000000000 RSI: 0000000000000006 RDI: 0000000000000005 [ 63.945216][ T3542] RBP: 00007f3761970130 R08: 0000000000000000 R09: 0000000000000000 [ 63.953192][ T3542] R10: 0001000000201005 R11: 0000000000000246 R12: 00007f37619701c0 [ 63.961186][ T3542] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 63.969281][ T3542] [ 63.973010][ T3542] ================================================================================ [ 63.982383][ T3542] Kernel panic - not syncing: UBSAN: panic_on_warn set ... [ 63.989591][ T3542] CPU: 0 PID: 3542 Comm: syz-executor148 Not tainted 6.1.30-syzkaller #0 [ 63.998005][ T3542] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023 [ 64.008154][ T3542] Call Trace: [ 64.011438][ T3542] [ 64.014369][ T3542] dump_stack_lvl+0x1e3/0x2cb [ 64.019055][ T3542] ? nf_tcp_handle_invalid+0x642/0x642 [ 64.024513][ T3542] ? panic+0x75d/0x75d [ 64.028579][ T3542] ? tick_nohz_tick_stopped+0x77/0xb0 [ 64.033949][ T3542] ? __irq_work_queue_local+0x122/0x180 [ 64.039502][ T3542] ? vscnprintf+0x59/0x80 [ 64.043851][ T3542] panic+0x318/0x75d [ 64.047751][ T3542] ? check_panic_on_warn+0x1d/0xa0 [ 64.052862][ T3542] ? memcpy_page_flushcache+0xfc/0xfc [ 64.058323][ T3542] ? dump_stack_lvl+0x24f/0x2cb [ 64.063205][ T3542] check_panic_on_warn+0x7e/0xa0 [ 64.068161][ T3542] __ubsan_handle_shift_out_of_bounds+0x3de/0x420 [ 64.074669][ T3542] ? do_raw_spin_unlock+0x137/0x8a0 [ 64.079883][ T3542] extAlloc+0xe4f/0x1010 [ 64.084151][ T3542] ? jfs_ioc_trim+0x660/0x660 [ 64.088852][ T3542] jfs_get_block+0x417/0xe50 [ 64.093471][ T3542] ? create_page_buffers+0x1d2/0x4b0 [ 64.098809][ T3542] ? jfs_dirty_inode+0x230/0x230 [ 64.103771][ T3542] ? create_page_buffers+0x24e/0x4b0 [ 64.109087][ T3542] __block_write_begin_int+0x544/0x1a30 [ 64.114667][ T3542] ? jfs_dirty_inode+0x230/0x230 [ 64.119630][ T3542] ? page_zero_new_buffers+0x650/0x650 [ 64.125112][ T3542] ? jfs_dirty_inode+0x230/0x230 [ 64.130062][ T3542] block_write_begin+0x98/0x1f0 [ 64.134925][ T3542] ? jfs_write_begin+0x16/0x60 [ 64.139697][ T3542] jfs_write_begin+0x2d/0x60 [ 64.144293][ T3542] generic_perform_write+0x2fc/0x5e0 [ 64.149604][ T3542] ? generic_file_direct_write+0x460/0x460 [ 64.155470][ T3542] ? __file_remove_privs+0x640/0x640 [ 64.160797][ T3542] ? generic_write_checks+0x15c/0x1c0 [ 64.166195][ T3542] ? clear_nonspinnable+0x60/0x60 [ 64.171246][ T3542] __generic_file_write_iter+0x176/0x400 [ 64.176907][ T3542] generic_file_write_iter+0xab/0x310 [ 64.182299][ T3542] do_iter_write+0x6e6/0xc50 [ 64.186924][ T3542] ? vfs_iter_write+0xa0/0xa0 [ 64.191617][ T3542] ? vfs_iter_write+0x69/0xa0 [ 64.196301][ T3542] iter_file_splice_write+0x806/0xfa0 [ 64.201696][ T3542] ? splice_from_pipe+0x230/0x230 [ 64.206731][ T3542] ? splice_shrink_spd+0xb0/0xb0 [ 64.211682][ T3542] ? common_file_perm+0x17d/0x1d0 [ 64.216798][ T3542] ? splice_from_pipe+0x230/0x230 [ 64.222789][ T3542] direct_splice_actor+0xe3/0x1c0 [ 64.227826][ T3542] splice_direct_to_actor+0x4c0/0xbd0 [ 64.233219][ T3542] ? do_splice_direct+0x3c0/0x3c0 [ 64.238251][ T3542] ? pipe_to_sendpage+0x350/0x350 [ 64.243292][ T3542] ? fsnotify_perm+0x67/0x590 [ 64.247980][ T3542] ? bpf_lsm_file_permission+0x5/0x10 [ 64.253367][ T3542] do_splice_direct+0x27f/0x3c0 [ 64.258232][ T3542] ? splice_direct_to_actor+0xbd0/0xbd0 [ 64.263782][ T3542] ? rcu_read_lock_any_held+0xb3/0x160 [ 64.269272][ T3542] do_sendfile+0x61c/0xff0 [ 64.273710][ T3542] ? do_pwritev+0x360/0x360 [ 64.278227][ T3542] ? lockdep_hardirqs_on_prepare+0x438/0x7a0 [ 64.284214][ T3542] __se_sys_sendfile64+0x178/0x1e0 [ 64.289336][ T3542] ? __x64_sys_sendfile64+0xa0/0xa0 [ 64.294548][ T3542] ? syscall_enter_from_user_mode+0x2e/0x220 [ 64.300544][ T3542] ? lockdep_hardirqs_on+0x94/0x130 [ 64.305756][ T3542] ? syscall_enter_from_user_mode+0x2e/0x220 [ 64.311750][ T3542] do_syscall_64+0x3d/0xb0 [ 64.316178][ T3542] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 64.322077][ T3542] RIP: 0033:0x7f37619b0899 [ 64.326501][ T3542] 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 [ 64.346140][ T3542] RSP: 002b:00007fff52091fc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 [ 64.354562][ T3542] RAX: ffffffffffffffda RBX: 0031656c69662f2e RCX: 00007f37619b0899 [ 64.362538][ T3542] RDX: 0000000000000000 RSI: 0000000000000006 RDI: 0000000000000005 [ 64.370525][ T3542] RBP: 00007f3761970130 R08: 0000000000000000 R09: 0000000000000000 [ 64.378500][ T3542] R10: 0001000000201005 R11: 0000000000000246 R12: 00007f37619701c0 [ 64.386480][ T3542] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 64.394474][ T3542] [ 64.397718][ T3542] Kernel Offset: disabled [ 64.402136][ T3542] Rebooting in 86400 seconds..