DUID 00:04:fd:d1:b1:d5:68:a0:3a:5f:50:0a:64:49:ea:42:3f:75 forked to background, child pid 3173 [ 21.422483][ T3174] 8021q: adding VLAN 0 to HW filter on device bond0 [ 21.437371][ T3174] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.89' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 44.110417][ T3498] loop0: detected capacity change from 0 to 32768 [ 44.316188][ T3498] ================================================================================ [ 44.325582][ T3498] UBSAN: shift-out-of-bounds in fs/jfs/jfs_extent.c:511:16 [ 44.333100][ T3498] shift exponent -1 is negative [ 44.337937][ T3498] CPU: 0 PID: 3498 Comm: syz-executor138 Not tainted 5.15.117-syzkaller #0 [ 44.346496][ T3498] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 [ 44.356524][ T3498] Call Trace: [ 44.359780][ T3498] [ 44.362687][ T3498] dump_stack_lvl+0x1e3/0x2cb [ 44.367365][ T3498] ? io_uring_drop_tctx_refs+0x19d/0x19d [ 44.372977][ T3498] ? panic+0x84d/0x84d [ 44.377044][ T3498] ? extAlloc+0x106/0x1010 [ 44.381450][ T3498] __ubsan_handle_shift_out_of_bounds+0x3bf/0x420 [ 44.387848][ T3498] ? do_raw_spin_unlock+0x137/0x8b0 [ 44.393032][ T3498] extAlloc+0xe4f/0x1010 [ 44.397264][ T3498] ? jfs_ioc_trim+0x660/0x660 [ 44.401916][ T3498] ? down_write_nested+0x117/0x180 [ 44.407006][ T3498] ? down_read_non_owner+0x310/0x310 [ 44.412270][ T3498] ? memset+0x1f/0x40 [ 44.416232][ T3498] jfs_get_block+0x417/0xe50 [ 44.420806][ T3498] ? jfs_dirty_inode+0x230/0x230 [ 44.425731][ T3498] nobh_write_begin+0x398/0xda0 [ 44.430570][ T3498] jfs_write_begin+0x3e/0x80 [ 44.435146][ T3498] ? jfs_dirty_inode+0x230/0x230 [ 44.440081][ T3498] generic_perform_write+0x2bf/0x5b0 [ 44.445361][ T3498] ? grab_cache_page_write_begin+0x90/0x90 [ 44.451147][ T3498] ? file_remove_privs+0x610/0x610 [ 44.456248][ T3498] ? down_write+0x10e/0x170 [ 44.460741][ T3498] __generic_file_write_iter+0x243/0x4f0 [ 44.466357][ T3498] generic_file_write_iter+0xa7/0x1b0 [ 44.471710][ T3498] vfs_write+0xacf/0xe50 [ 44.475947][ T3498] ? file_end_write+0x250/0x250 [ 44.480779][ T3498] ? read_lock_is_recursive+0x10/0x10 [ 44.486138][ T3498] ? __fdget_pos+0x272/0x300 [ 44.490708][ T3498] ksys_write+0x1a2/0x2c0 [ 44.495017][ T3498] ? print_irqtrace_events+0x210/0x210 [ 44.500466][ T3498] ? __ia32_sys_read+0x80/0x80 [ 44.505219][ T3498] ? syscall_enter_from_user_mode+0x2e/0x230 [ 44.511179][ T3498] ? lockdep_hardirqs_on+0x94/0x130 [ 44.516359][ T3498] ? syscall_enter_from_user_mode+0x2e/0x230 [ 44.522323][ T3498] do_syscall_64+0x3d/0xb0 [ 44.526722][ T3498] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 44.532591][ T3498] RIP: 0033:0x7f6f232eb879 [ 44.536983][ T3498] 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 [ 44.556561][ T3498] RSP: 002b:00007ffe6cf17d48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 44.564949][ T3498] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6f232eb879 [ 44.572897][ T3498] RDX: 000000000208e24b RSI: 0000000020000040 RDI: 0000000000000005 [ 44.580952][ T3498] RBP: 00007f6f232ab110 R08: 0000000000000000 R09: 0000000000000000 [ 44.588909][ T3498] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6f232ab1a0 [ 44.596860][ T3498] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 44.604821][ T3498] [ 44.608144][ T3498] ================================================================================ [ 44.617458][ T3498] Kernel panic - not syncing: UBSAN: panic_on_warn set ... [ 44.624624][ T3498] CPU: 0 PID: 3498 Comm: syz-executor138 Not tainted 5.15.117-syzkaller #0 [ 44.633183][ T3498] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 [ 44.643215][ T3498] Call Trace: [ 44.646474][ T3498] [ 44.649381][ T3498] dump_stack_lvl+0x1e3/0x2cb [ 44.654038][ T3498] ? io_uring_drop_tctx_refs+0x19d/0x19d [ 44.659645][ T3498] ? panic+0x84d/0x84d [ 44.663715][ T3498] panic+0x318/0x84d [ 44.667587][ T3498] ? check_panic_on_warn+0x1d/0xa0 [ 44.672675][ T3498] ? fb_is_primary_device+0xcc/0xcc [ 44.677848][ T3498] ? dump_stack_lvl+0x24f/0x2cb [ 44.682677][ T3498] check_panic_on_warn+0x7e/0xa0 [ 44.687590][ T3498] __ubsan_handle_shift_out_of_bounds+0x3de/0x420 [ 44.693983][ T3498] ? do_raw_spin_unlock+0x137/0x8b0 [ 44.699160][ T3498] extAlloc+0xe4f/0x1010 [ 44.703387][ T3498] ? jfs_ioc_trim+0x660/0x660 [ 44.708036][ T3498] ? down_write_nested+0x117/0x180 [ 44.713122][ T3498] ? down_read_non_owner+0x310/0x310 [ 44.718382][ T3498] ? memset+0x1f/0x40 [ 44.722341][ T3498] jfs_get_block+0x417/0xe50 [ 44.726910][ T3498] ? jfs_dirty_inode+0x230/0x230 [ 44.731825][ T3498] nobh_write_begin+0x398/0xda0 [ 44.736658][ T3498] jfs_write_begin+0x3e/0x80 [ 44.741219][ T3498] ? jfs_dirty_inode+0x230/0x230 [ 44.746131][ T3498] generic_perform_write+0x2bf/0x5b0 [ 44.751406][ T3498] ? grab_cache_page_write_begin+0x90/0x90 [ 44.757188][ T3498] ? file_remove_privs+0x610/0x610 [ 44.762276][ T3498] ? down_write+0x10e/0x170 [ 44.766755][ T3498] __generic_file_write_iter+0x243/0x4f0 [ 44.772366][ T3498] generic_file_write_iter+0xa7/0x1b0 [ 44.777714][ T3498] vfs_write+0xacf/0xe50 [ 44.781937][ T3498] ? file_end_write+0x250/0x250 [ 44.786761][ T3498] ? read_lock_is_recursive+0x10/0x10 [ 44.792113][ T3498] ? __fdget_pos+0x272/0x300 [ 44.796682][ T3498] ksys_write+0x1a2/0x2c0 [ 44.800985][ T3498] ? print_irqtrace_events+0x210/0x210 [ 44.806422][ T3498] ? __ia32_sys_read+0x80/0x80 [ 44.811166][ T3498] ? syscall_enter_from_user_mode+0x2e/0x230 [ 44.817120][ T3498] ? lockdep_hardirqs_on+0x94/0x130 [ 44.822294][ T3498] ? syscall_enter_from_user_mode+0x2e/0x230 [ 44.828251][ T3498] do_syscall_64+0x3d/0xb0 [ 44.832641][ T3498] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 44.838510][ T3498] RIP: 0033:0x7f6f232eb879 [ 44.842899][ T3498] 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 [ 44.862479][ T3498] RSP: 002b:00007ffe6cf17d48 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 44.870866][ T3498] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6f232eb879 [ 44.878811][ T3498] RDX: 000000000208e24b RSI: 0000000020000040 RDI: 0000000000000005 [ 44.886755][ T3498] RBP: 00007f6f232ab110 R08: 0000000000000000 R09: 0000000000000000 [ 44.894698][ T3498] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f6f232ab1a0 [ 44.902645][ T3498] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 44.910597][ T3498] [ 44.913789][ T3498] Kernel Offset: disabled [ 44.918159][ T3498] Rebooting in 86400 seconds..