loop4: detected capacity change from 0 to 4096 Kernel panic - not syncing: stack-protector: Kernel stack is corrupted in: __schedule+0x1ab6/0x4d00 kernel/sched/core.c:-1 CPU: 1 UID: 0 PID: 12499 Comm: syz.4.1356 Not tainted 6.15.0-next-20250530-syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 Call Trace: dump_stack_lvl+0x99/0x250 lib/dump_stack.c:120 panic+0x2db/0x790 kernel/panic.c:382 __stack_chk_fail+0x26/0x30 kernel/panic.c:869 __schedule+0x1ab6/0x4d00 kernel/sched/core.c:-1 preempt_schedule_irq+0xb5/0x150 kernel/sched/core.c:7108 irqentry_exit+0x6f/0x90 kernel/entry/common.c:307 asm_sysvec_reschedule_ipi+0x1a/0x20 arch/x86/include/asm/idtentry.h:707 RIP: 0010:do_read_cache_folio+0x4dd/0x590 mm/filemap.c:3895 Code: 00 e9 d1 fe ff ff e8 12 cf c7 ff 4c 89 ff e8 5a ed 02 00 4c 89 f8 48 83 c4 38 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc ee ce c7 ff eb da e8 e7 ce c7 ff 4d 63 fd eb d8 e8 dd ce c7 ff RSP: 0000:ffffc900111ef8c0 EFLAGS: 00000246 RAX: ffffffff81f88f3c RBX: 0000000000000000 RCX: 0000000000000002 RDX: ffff888025910000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc900111efc90 R08: ffffea00019e7507 R09: 1ffffd400033cea0 R10: dffffc0000000000 R11: fffff9400033cea1 R12: dffffc0000000000 R13: 0000000000000000 R14: ffff888056a821d0 R15: ffffea00019e7500 do_read_cache_page mm/filemap.c:3960 [inline] read_cache_page+0x5d/0x170 mm/filemap.c:3969 read_mapping_page include/linux/pagemap.h:966 [inline] inode_read_data+0xa9/0x490 fs/ntfs3/inode.c:1041 ntfs_fill_super+0x3435/0x40c0 fs/ntfs3/super.c:1481 get_tree_bdev_flags+0x40b/0x4d0 fs/super.c:1679 vfs_get_tree+0x8f/0x2b0 fs/super.c:1802 do_new_mount+0x24a/0xa40 fs/namespace.c:3856 do_mount fs/namespace.c:4193 [inline] __do_sys_mount fs/namespace.c:4404 [inline] __se_sys_mount+0x317/0x410 fs/namespace.c:4381 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f24fdf9010a Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f24fed12e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f24fed12ef0 RCX: 00007f24fdf9010a RDX: 0000200000000000 RSI: 0000200000000280 RDI: 00007f24fed12eb0 RBP: 0000200000000000 R08: 00007f24fed12ef0 R09: 0000000002010c14 R10: 0000000002010c14 R11: 0000000000000246 R12: 0000200000000280 R13: 00007f24fed12eb0 R14: 000000000001f75b R15: 00002000000000c0 Kernel Offset: disabled Rebooting in 86400 seconds.. ---------------- Code disassembly (best guess), 1 bytes skipped: 0: e9 d1 fe ff ff jmp 0xfffffed6 5: e8 12 cf c7 ff call 0xffc7cf1c a: 4c 89 ff mov %r15,%rdi d: e8 5a ed 02 00 call 0x2ed6c 12: 4c 89 f8 mov %r15,%rax 15: 48 83 c4 38 add $0x38,%rsp 19: 5b pop %rbx 1a: 41 5c pop %r12 1c: 41 5d pop %r13 1e: 41 5e pop %r14 20: 41 5f pop %r15 22: 5d pop %rbp 23: c3 ret 24: cc int3 25: cc int3 26: cc int3 27: cc int3 28: cc int3 * 29: e8 ee ce c7 ff call 0xffc7cf1c <-- trapping instruction 2e: eb da jmp 0xa 30: e8 e7 ce c7 ff call 0xffc7cf1c 35: 4d 63 fd movslq %r13d,%r15 38: eb d8 jmp 0x12 3a: e8 dd ce c7 ff call 0xffc7cf1c