DUID 00:04:19:c0:d1:0e:d7:c0:27:6c:e7:df:2b:fb:70:54:6d:6b forked to background, child pid 3214 [ 37.836753][ T3215] 8021q: adding VLAN 0 to HW filter on device bond0 [ 37.858943][ T3215] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.106' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 60.786348][ T3542] loop0: detected capacity change from 0 to 32768 [ 61.064019][ T3542] ================================================================================ [ 61.073510][ T3542] UBSAN: shift-out-of-bounds in fs/jfs/jfs_extent.c:314:16 [ 61.080771][ T3542] shift exponent -1 is negative [ 61.085709][ T3542] CPU: 0 PID: 3542 Comm: syz-executor147 Not tainted 6.1.34-syzkaller #0 [ 61.094141][ T3542] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 [ 61.104198][ T3542] Call Trace: [ 61.107477][ T3542] [ 61.110409][ T3542] dump_stack_lvl+0x1e3/0x2cb [ 61.115110][ T3542] ? nf_tcp_handle_invalid+0x642/0x642 [ 61.120584][ T3542] ? panic+0x75d/0x75d [ 61.124665][ T3542] ? extAlloc+0x106/0x1010 [ 61.129101][ T3542] __ubsan_handle_shift_out_of_bounds+0x3bf/0x420 [ 61.135527][ T3542] ? do_raw_spin_unlock+0x137/0x8a0 [ 61.140732][ T3542] extAlloc+0xe4f/0x1010 [ 61.144991][ T3542] ? jfs_ioc_trim+0x660/0x660 [ 61.149685][ T3542] jfs_get_block+0x417/0xe50 [ 61.154281][ T3542] ? create_page_buffers+0x1d2/0x4b0 [ 61.159577][ T3542] ? jfs_dirty_inode+0x230/0x230 [ 61.164524][ T3542] ? create_page_buffers+0x24e/0x4b0 [ 61.169814][ T3542] __block_write_begin_int+0x544/0x1a30 [ 61.175379][ T3542] ? jfs_dirty_inode+0x230/0x230 [ 61.180316][ T3542] ? page_zero_new_buffers+0x650/0x650 [ 61.185781][ T3542] ? jfs_dirty_inode+0x230/0x230 [ 61.190803][ T3542] block_write_begin+0x98/0x1f0 [ 61.195656][ T3542] ? jfs_write_begin+0x16/0x60 [ 61.200427][ T3542] jfs_write_begin+0x2d/0x60 [ 61.205017][ T3542] generic_perform_write+0x2fc/0x5e0 [ 61.210319][ T3542] ? generic_file_direct_write+0x460/0x460 [ 61.216133][ T3542] ? __file_remove_privs+0x640/0x640 [ 61.221426][ T3542] ? generic_write_checks+0x15c/0x1c0 [ 61.226805][ T3542] ? clear_nonspinnable+0x60/0x60 [ 61.231839][ T3542] __generic_file_write_iter+0x176/0x400 [ 61.237488][ T3542] generic_file_write_iter+0xab/0x310 [ 61.242874][ T3542] vfs_write+0x7ae/0xba0 [ 61.247124][ T3542] ? file_end_write+0x250/0x250 [ 61.252062][ T3542] ? do_sys_openat2+0x42b/0x500 [ 61.256935][ T3542] ? __fdget_pos+0x261/0x2f0 [ 61.261566][ T3542] ksys_write+0x19c/0x2c0 [ 61.265911][ T3542] ? print_irqtrace_events+0x210/0x210 [ 61.271373][ T3542] ? __ia32_sys_read+0x80/0x80 [ 61.276137][ T3542] ? syscall_enter_from_user_mode+0x2e/0x220 [ 61.282128][ T3542] ? lockdep_hardirqs_on+0x94/0x130 [ 61.287338][ T3542] ? syscall_enter_from_user_mode+0x2e/0x220 [ 61.293337][ T3542] do_syscall_64+0x3d/0xb0 [ 61.297762][ T3542] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 61.303658][ T3542] RIP: 0033:0x7fa77761dd19 [ 61.308149][ 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 [ 61.329876][ T3542] RSP: 002b:00007fff14ed8268 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 61.338289][ T3542] RAX: ffffffffffffffda RBX: 7261637369646f6e RCX: 00007fa77761dd19 [ 61.346262][ T3542] RDX: 0000000001517460 RSI: 0000000020000580 RDI: 0000000000000005 [ 61.354234][ T3542] RBP: 6573726168636f69 R08: 0000000000000000 R09: 0000000000000000 [ 61.362208][ T3542] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa7775dd3b0 [ 61.370267][ T3542] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 61.378273][ T3542] [ 61.381738][ T3542] ================================================================================ [ 61.391200][ T3542] Kernel panic - not syncing: UBSAN: panic_on_warn set ... [ 61.398408][ T3542] CPU: 0 PID: 3542 Comm: syz-executor147 Not tainted 6.1.34-syzkaller #0 [ 61.406825][ T3542] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 [ 61.416885][ T3542] Call Trace: [ 61.420605][ T3542] [ 61.423537][ T3542] dump_stack_lvl+0x1e3/0x2cb [ 61.428225][ T3542] ? nf_tcp_handle_invalid+0x642/0x642 [ 61.433691][ T3542] ? panic+0x75d/0x75d [ 61.437773][ T3542] ? vscnprintf+0x59/0x80 [ 61.442103][ T3542] panic+0x318/0x75d [ 61.446271][ T3542] ? check_panic_on_warn+0x1d/0xa0 [ 61.451388][ T3542] ? memcpy_page_flushcache+0xfc/0xfc [ 61.456769][ T3542] ? dump_stack_lvl+0x24f/0x2cb [ 61.461633][ T3542] check_panic_on_warn+0x7e/0xa0 [ 61.466609][ T3542] __ubsan_handle_shift_out_of_bounds+0x3de/0x420 [ 61.473035][ T3542] ? do_raw_spin_unlock+0x137/0x8a0 [ 61.478242][ T3542] extAlloc+0xe4f/0x1010 [ 61.482506][ T3542] ? jfs_ioc_trim+0x660/0x660 [ 61.487199][ T3542] jfs_get_block+0x417/0xe50 [ 61.491790][ T3542] ? create_page_buffers+0x1d2/0x4b0 [ 61.497184][ T3542] ? jfs_dirty_inode+0x230/0x230 [ 61.502138][ T3542] ? create_page_buffers+0x24e/0x4b0 [ 61.507441][ T3542] __block_write_begin_int+0x544/0x1a30 [ 61.513015][ T3542] ? jfs_dirty_inode+0x230/0x230 [ 61.517962][ T3542] ? page_zero_new_buffers+0x650/0x650 [ 61.523435][ T3542] ? jfs_dirty_inode+0x230/0x230 [ 61.528382][ T3542] block_write_begin+0x98/0x1f0 [ 61.533243][ T3542] ? jfs_write_begin+0x16/0x60 [ 61.538018][ T3542] jfs_write_begin+0x2d/0x60 [ 61.542647][ T3542] generic_perform_write+0x2fc/0x5e0 [ 61.547976][ T3542] ? generic_file_direct_write+0x460/0x460 [ 61.553817][ T3542] ? __file_remove_privs+0x640/0x640 [ 61.559131][ T3542] ? generic_write_checks+0x15c/0x1c0 [ 61.564610][ T3542] ? clear_nonspinnable+0x60/0x60 [ 61.569657][ T3542] __generic_file_write_iter+0x176/0x400 [ 61.575317][ T3542] generic_file_write_iter+0xab/0x310 [ 61.580812][ T3542] vfs_write+0x7ae/0xba0 [ 61.585074][ T3542] ? file_end_write+0x250/0x250 [ 61.589934][ T3542] ? do_sys_openat2+0x42b/0x500 [ 61.594813][ T3542] ? __fdget_pos+0x261/0x2f0 [ 61.599419][ T3542] ksys_write+0x19c/0x2c0 [ 61.603774][ T3542] ? print_irqtrace_events+0x210/0x210 [ 61.609243][ T3542] ? __ia32_sys_read+0x80/0x80 [ 61.614017][ T3542] ? syscall_enter_from_user_mode+0x2e/0x220 [ 61.620015][ T3542] ? lockdep_hardirqs_on+0x94/0x130 [ 61.625245][ T3542] ? syscall_enter_from_user_mode+0x2e/0x220 [ 61.631266][ T3542] do_syscall_64+0x3d/0xb0 [ 61.635706][ T3542] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 61.641616][ T3542] RIP: 0033:0x7fa77761dd19 [ 61.646133][ 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 [ 61.665750][ T3542] RSP: 002b:00007fff14ed8268 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 61.674199][ T3542] RAX: ffffffffffffffda RBX: 7261637369646f6e RCX: 00007fa77761dd19 [ 61.682214][ T3542] RDX: 0000000001517460 RSI: 0000000020000580 RDI: 0000000000000005 [ 61.690218][ T3542] RBP: 6573726168636f69 R08: 0000000000000000 R09: 0000000000000000 [ 61.698205][ T3542] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa7775dd3b0 [ 61.706185][ T3542] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 61.714174][ T3542] [ 61.717412][ T3542] Kernel Offset: disabled [ 61.721823][ T3542] Rebooting in 86400 seconds..