do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline] __do_fast_syscall_32+0xa2/0x100 arch/x86/entry/common.c:178 do_fast_syscall_32+0x33/0x70 arch/x86/entry/common.c:203 do_SYSENTER_32+0x1b/0x20 arch/x86/entry/common.c:246 entry_SYSENTER_compat_after_hwframe+0x70/0x82 RIP: 0023:0xf7fe0549 ===================================================== BUG: KMSAN: uninit-value in show_opcodes+0x2c1/0x2e0 arch/x86/kernel/dumpstack.c:123 show_opcodes+0x2c1/0x2e0 arch/x86/kernel/dumpstack.c:123 show_ip arch/x86/kernel/dumpstack.c:144 [inline] show_iret_regs+0xe3/0x230 arch/x86/kernel/dumpstack.c:149 __show_regs+0x31/0xc90 arch/x86/kernel/process_64.c:74 show_regs_if_on_stack+0x45e/0x530 arch/x86/kernel/dumpstack.c:167 show_trace_log_lvl+0x392/0x490 arch/x86/kernel/dumpstack.c:298 show_stack+0x55/0x60 arch/x86/kernel/dumpstack.c:318 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1c8/0x256 lib/dump_stack.c:106 dump_stack+0x1a/0x23 lib/dump_stack.c:113 __is_bitmap_valid fs/f2fs/checkpoint.c:166 [inline] f2fs_is_valid_blkaddr+0x11e1/0x12b0 fs/f2fs/checkpoint.c:208 f2fs_get_node_info+0xc35/0x1770 fs/f2fs/node.c:610 read_node_page+0x434/0xf90 fs/f2fs/node.c:1358 __get_node_page+0x4c9/0x1b50 fs/f2fs/node.c:1419 f2fs_get_node_page+0x36/0x40 fs/f2fs/node.c:1468 do_read_inode fs/f2fs/inode.c:361 [inline] f2fs_iget+0x12c8/0x8380 fs/f2fs/inode.c:527 f2fs_fill_super+0x8b49/0xb560 fs/f2fs/super.c:4341 mount_bdev+0x508/0x840 fs/super.c:1400 f2fs_mount+0x49/0x60 fs/f2fs/super.c:4580 legacy_get_tree+0x10c/0x280 fs/fs_context.c:610 vfs_get_tree+0xa1/0x500 fs/super.c:1530 do_new_mount+0x694/0x1580 fs/namespace.c:3040 path_mount+0x71a/0x1eb0 fs/namespace.c:3370 do_mount fs/namespace.c:3383 [inline] __do_sys_mount fs/namespace.c:3591 [inline] __se_sys_mount+0x734/0x840 fs/namespace.c:3568 __ia32_sys_mount+0xdf/0x140 fs/namespace.c:3568 do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline] __do_fast_syscall_32+0xa2/0x100 arch/x86/entry/common.c:178 do_fast_syscall_32+0x33/0x70 arch/x86/entry/common.c:203 do_SYSENTER_32+0x1b/0x20 arch/x86/entry/common.c:246 entry_SYSENTER_compat_after_hwframe+0x70/0x82 Local variable opcodes created at: show_opcodes+0x49/0x2e0 arch/x86/kernel/dumpstack.c:118 show_ip arch/x86/kernel/dumpstack.c:144 [inline] show_iret_regs+0xe3/0x230 arch/x86/kernel/dumpstack.c:149 CPU: 1 PID: 5332 Comm: syz-executor.3 Not tainted 6.1.0-rc2-syzkaller-61955-g4a3e741a3d6a #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 =====================================================