loop0: detected capacity change from 0 to 3974 UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2020/09/19 18:44 (1000) ================================================================================ UBSAN: array-index-out-of-bounds in fs/udf/super.c:2524:12 index 0 is out of range for type '__le32 [0]' CPU: 1 PID: 8363 Comm: syz-executor557 Not tainted 5.12.0-rc8-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:79 [inline] dump_stack+0x202/0x31e lib/dump_stack.c:120 ubsan_epilogue lib/ubsan.c:148 [inline] __ubsan_handle_out_of_bounds+0xdb/0x130 lib/ubsan.c:288 udf_count_free fs/udf/super.c:2524 [inline] udf_statfs+0x49f/0xd70 fs/udf/super.c:2408 statfs_by_dentry fs/statfs.c:66 [inline] vfs_statfs+0x136/0x310 fs/statfs.c:90 user_statfs fs/statfs.c:105 [inline] __do_sys_statfs fs/statfs.c:195 [inline] __se_sys_statfs+0xe5/0x210 fs/statfs.c:192 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x444579 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 RSP: 002b:00007ffc428d7b58 EFLAGS: 00000246 ORIG_RAX: 0000000000000089 RAX: ffffffffffffffda RBX: 0030656c69662f2e RCX: 0000000000444579 RDX: 0000000000402b43 RSI: 0000000000000000 RDI: 00000000200001c0 RBP: 0000000000403e10 R08: 0000000000000000 R09: 0000000000000000 R10: 00007ffc428d7a20 R11: 0000000000000246 R12: 0000000000403ea0 R13: 0000000000000000 R14: 00000000004b2018 R15: 00000000004004a0 ================================================================================ Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 8363 Comm: syz-executor557 Not tainted 5.12.0-rc8-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:79 [inline] dump_stack+0x202/0x31e lib/dump_stack.c:120 panic+0x2e1/0x850 kernel/panic.c:231 ubsan_epilogue lib/ubsan.c:162 [inline] __ubsan_handle_out_of_bounds+0x12b/0x130 lib/ubsan.c:288 udf_count_free fs/udf/super.c:2524 [inline] udf_statfs+0x49f/0xd70 fs/udf/super.c:2408 statfs_by_dentry fs/statfs.c:66 [inline] vfs_statfs+0x136/0x310 fs/statfs.c:90 user_statfs fs/statfs.c:105 [inline] __do_sys_statfs fs/statfs.c:195 [inline] __se_sys_statfs+0xe5/0x210 fs/statfs.c:192 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x444579 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 RSP: 002b:00007ffc428d7b58 EFLAGS: 00000246 ORIG_RAX: 0000000000000089 RAX: ffffffffffffffda RBX: 0030656c69662f2e RCX: 0000000000444579 RDX: 0000000000402b43 RSI: 0000000000000000 RDI: 00000000200001c0 RBP: 0000000000403e10 R08: 0000000000000000 R09: 0000000000000000 R10: 00007ffc428d7a20 R11: 0000000000000246 R12: 0000000000403ea0 R13: 0000000000000000 R14: 00000000004b2018 R15: 00000000004004a0 Kernel Offset: disabled Rebooting in 86400 seconds..