Warning: Permanently added '10.128.0.222' (ED25519) to the list of known hosts. executing program [ 50.190054][ T3542] loop0: detected capacity change from 0 to 128 [ 50.200067][ T3542] ================================================================================ [ 50.209481][ T3542] UBSAN: shift-out-of-bounds in fs/befs/super.c:96:9 [ 50.216952][ T3542] shift exponent 3229888891 is too large for 32-bit type 'int' [ 50.224514][ T3542] CPU: 1 PID: 3542 Comm: syz-executor295 Not tainted 6.1.69-syzkaller #0 [ 50.232930][ T3542] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 50.242986][ T3542] Call Trace: [ 50.246278][ T3542] <TASK> [ 50.249289][ T3542] dump_stack_lvl+0x1e3/0x2cb [ 50.253984][ T3542] ? nf_tcp_handle_invalid+0x642/0x642 [ 50.259441][ T3542] ? panic+0x75d/0x75d [ 50.263508][ T3542] __ubsan_handle_shift_out_of_bounds+0x3bf/0x420 [ 50.269928][ T3542] befs_check_sb+0x471/0x4a0 [ 50.274523][ T3542] befs_fill_super+0x9ea/0xfb0 [ 50.279288][ T3542] ? befs_mount+0x40/0x40 [ 50.283626][ T3542] mount_bdev+0x2c9/0x3f0 [ 50.287953][ T3542] ? befs_mount+0x40/0x40 [ 50.292286][ T3542] legacy_get_tree+0xeb/0x180 [ 50.296969][ T3542] ? befs_bread_iaddr+0x250/0x250 [ 50.301997][ T3542] vfs_get_tree+0x88/0x270 [ 50.306421][ T3542] do_new_mount+0x28b/0xae0 [ 50.310925][ T3542] ? do_move_mount_old+0x160/0x160 [ 50.316069][ T3542] __se_sys_mount+0x2d5/0x3c0 [ 50.320765][ T3542] ? __x64_sys_mount+0xc0/0xc0 [ 50.325525][ T3542] ? syscall_enter_from_user_mode+0x2e/0x220 [ 50.331496][ T3542] ? lockdep_hardirqs_on+0x94/0x130 [ 50.336686][ T3542] ? __x64_sys_mount+0x1c/0xc0 [ 50.341457][ T3542] do_syscall_64+0x3d/0xb0 [ 50.345889][ T3542] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 50.351789][ T3542] RIP: 0033:0x7ff2043278ba [ 50.356206][ T3542] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 50.375804][ T3542] RSP: 002b:00007ffd288b0988 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 [ 50.384215][ T3542] RAX: ffffffffffffffda RBX: 00007ffd288b0990 RCX: 00007ff2043278ba [ 50.392187][ T3542] RDX: 0000000020000100 RSI: 0000000020009e40 RDI: 00007ffd288b0990 [ 50.400160][ T3542] RBP: 0000000000000004 R08: 00007ffd288b09d0 R09: 0000000000009e1f [ 50.408129][ T3542] R10: 0000000003008001 R11: 0000000000000282 R12: 00007ffd288b09d0 [ 50.416090][ T3542] R13: 0000000000000003 R14: 0000000000010000 R15: 0000000000000001 [ 50.424063][ T3542] </TASK> [ 50.427492][ T3542] ================================================================================ [ 50.437084][ T3542] Kernel panic - not syncing: UBSAN: panic_on_warn set ... [ 50.444266][ T3542] CPU: 1 PID: 3542 Comm: syz-executor295 Not tainted 6.1.69-syzkaller #0 [ 50.452664][ T3542] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 50.462712][ T3542] Call Trace: [ 50.465979][ T3542] <TASK> [ 50.468895][ T3542] dump_stack_lvl+0x1e3/0x2cb [ 50.473570][ T3542] ? nf_tcp_handle_invalid+0x642/0x642 [ 50.479028][ T3542] ? panic+0x75d/0x75d [ 50.483092][ T3542] ? vscnprintf+0x59/0x80 [ 50.487424][ T3542] panic+0x318/0x75d [ 50.491308][ T3542] ? check_panic_on_warn+0x1d/0xa0 [ 50.496411][ T3542] ? memcpy_page_flushcache+0xfc/0xfc [ 50.501772][ T3542] ? dump_stack_lvl+0x24f/0x2cb [ 50.506632][ T3542] check_panic_on_warn+0x7e/0xa0 [ 50.511558][ T3542] __ubsan_handle_shift_out_of_bounds+0x3de/0x420 [ 50.517971][ T3542] befs_check_sb+0x471/0x4a0 [ 50.522560][ T3542] befs_fill_super+0x9ea/0xfb0 [ 50.527325][ T3542] ? befs_mount+0x40/0x40 [ 50.531656][ T3542] mount_bdev+0x2c9/0x3f0 [ 50.535977][ T3542] ? befs_mount+0x40/0x40 [ 50.540298][ T3542] legacy_get_tree+0xeb/0x180 [ 50.544970][ T3542] ? befs_bread_iaddr+0x250/0x250 [ 50.549992][ T3542] vfs_get_tree+0x88/0x270 [ 50.554407][ T3542] do_new_mount+0x28b/0xae0 [ 50.558914][ T3542] ? do_move_mount_old+0x160/0x160 [ 50.564027][ T3542] __se_sys_mount+0x2d5/0x3c0 [ 50.568701][ T3542] ? __x64_sys_mount+0xc0/0xc0 [ 50.573465][ T3542] ? syscall_enter_from_user_mode+0x2e/0x220 [ 50.579436][ T3542] ? lockdep_hardirqs_on+0x94/0x130 [ 50.584629][ T3542] ? __x64_sys_mount+0x1c/0xc0 [ 50.589389][ T3542] do_syscall_64+0x3d/0xb0 [ 50.593807][ T3542] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 50.599699][ T3542] RIP: 0033:0x7ff2043278ba [ 50.604112][ T3542] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 50.623708][ T3542] RSP: 002b:00007ffd288b0988 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 [ 50.632131][ T3542] RAX: ffffffffffffffda RBX: 00007ffd288b0990 RCX: 00007ff2043278ba [ 50.640099][ T3542] RDX: 0000000020000100 RSI: 0000000020009e40 RDI: 00007ffd288b0990 [ 50.648065][ T3542] RBP: 0000000000000004 R08: 00007ffd288b09d0 R09: 0000000000009e1f [ 50.656028][ T3542] R10: 0000000003008001 R11: 0000000000000282 R12: 00007ffd288b09d0 [ 50.663988][ T3542] R13: 0000000000000003 R14: 0000000000010000 R15: 0000000000000001 [ 50.671958][ T3542] </TASK> [ 50.675289][ T3542] Kernel Offset: disabled [ 50.679674][ T3542] Rebooting in 86400 seconds..