FS:  0000000000000000(0000) GS:ffff88813fc00000(0063) knlGS:00000000f7fd3b40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 00000000f6f381c0 CR3: 00000000b5b63000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
=====================================================
BUG: KMSAN: uninit-value in get_stack_info+0x1bf/0x2b0 arch/x86/kernel/dumpstack_64.c:208
 get_stack_info+0x1bf/0x2b0 arch/x86/kernel/dumpstack_64.c:208
 show_trace_log_lvl+0x139/0x2d0 arch/x86/kernel/dumpstack.c:220
 show_regs+0xad/0xd0 arch/x86/kernel/dumpstack.c:475
 __warn+0x242/0x580 kernel/panic.c:596
 report_bug+0x7d4/0x9e0 lib/bug.c:199
 handle_bug+0x41/0x70 arch/x86/kernel/traps.c:315
 exc_invalid_op+0x1b/0x50 arch/x86/kernel/traps.c:335
 asm_exc_invalid_op+0x12/0x20
 arch_set_bit arch/x86/include/asm/bitops.h:55 [inline]
 set_bit include/asm-generic/bitops/instrumented-atomic.h:29 [inline]
 set_sbi_flag fs/f2fs/f2fs.h:2046 [inline]
 f2fs_is_valid_blkaddr+0xbef/0x11d0 fs/f2fs/checkpoint.c:198
 f2fs_get_node_info+0xc35/0x1770 fs/f2fs/node.c:613
 read_node_page+0x434/0xf90 fs/f2fs/node.c:1356
 __get_node_page+0x4d5/0x16e0 fs/f2fs/node.c:1417
 f2fs_get_node_page+0x36/0x40 fs/f2fs/node.c:1463
 do_read_inode fs/f2fs/inode.c:350 [inline]
 f2fs_iget+0x10c1/0x7ee0 fs/f2fs/inode.c:506
 f2fs_fill_super+0x9a8c/0xbf70 fs/f2fs/super.c:4245
 mount_bdev+0x508/0x840 fs/super.c:1367
 f2fs_mount+0x49/0x60 fs/f2fs/super.c:4484
 legacy_get_tree+0x10c/0x280 fs/fs_context.c:610
 vfs_get_tree+0xa1/0x500 fs/super.c:1497
 do_new_mount+0x694/0x1580 fs/namespace.c:3040
 path_mount+0x72f/0x1ed0 fs/namespace.c:3370
 do_mount fs/namespace.c:3383 [inline]
 __do_sys_mount fs/namespace.c:3591 [inline]
 __se_sys_mount+0x73e/0x850 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+0x95/0xf0 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+0x4d/0x5c

Local variable wait created at:
 mempool_alloc+0x48/0x560 mm/mempool.c:378
 bio_alloc_bioset+0x234/0x12a0 block/bio.c:492

CPU: 0 PID: 12714 Comm: syz-executor.4 Tainted: G        W         5.18.0-syzkaller-16269-geb5e8c791e57 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
=====================================================