loop3: detected capacity change from 0 to 512 ================================================================== BUG: KCSAN: data-race in has_bh_in_lru / invalidate_bh_lru write to 0xffff888237d2a448 of 8 bytes by task 23399 on cpu 1: __invalidate_bh_lrus fs/buffer.c:1488 [inline] invalidate_bh_lru+0x88/0xf0 fs/buffer.c:1500 csd_do_func kernel/smp.c:133 [inline] smp_call_function_many_cond+0x697/0xc20 kernel/smp.c:846 on_each_cpu_cond_mask+0x3c/0x80 kernel/smp.c:1023 on_each_cpu_cond include/linux/smp.h:105 [inline] invalidate_bh_lrus+0x2a/0x30 fs/buffer.c:1519 kill_bdev block/bdev.c:75 [inline] set_blocksize+0x260/0x290 block/bdev.c:152 sb_set_blocksize+0x2d/0xb0 block/bdev.c:161 ext4_load_super fs/ext4/super.c:5107 [inline] __ext4_fill_super fs/ext4/super.c:5235 [inline] ext4_fill_super+0xad5/0x39a0 fs/ext4/super.c:5711 get_tree_bdev+0x272/0x300 fs/super.c:1598 ext4_get_tree+0x1c/0x20 fs/ext4/super.c:5743 vfs_get_tree+0x51/0x1b0 fs/super.c:1771 do_new_mount+0x203/0x660 fs/namespace.c:3337 path_mount+0x496/0xb30 fs/namespace.c:3664 do_mount fs/namespace.c:3677 [inline] __do_sys_mount fs/namespace.c:3886 [inline] __se_sys_mount+0x27f/0x2d0 fs/namespace.c:3863 __x64_sys_mount+0x67/0x80 fs/namespace.c:3863 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x44/0x110 arch/x86/entry/common.c:82 entry_SYSCALL_64_after_hwframe+0x63/0x6b read to 0xffff888237d2a448 of 8 bytes by task 23397 on cpu 0: has_bh_in_lru+0x35/0x1e0 fs/buffer.c:1510 smp_call_function_many_cond+0x2e4/0xc20 kernel/smp.c:808 on_each_cpu_cond_mask+0x3c/0x80 kernel/smp.c:1023 on_each_cpu_cond include/linux/smp.h:105 [inline] invalidate_bh_lrus+0x2a/0x30 fs/buffer.c:1519 kill_bdev block/bdev.c:75 [inline] set_blocksize+0x260/0x290 block/bdev.c:152 sb_set_blocksize+0x2d/0xb0 block/bdev.c:161 ext4_load_super fs/ext4/super.c:5107 [inline] __ext4_fill_super fs/ext4/super.c:5235 [inline] ext4_fill_super+0xad5/0x39a0 fs/ext4/super.c:5711 get_tree_bdev+0x272/0x300 fs/super.c:1598 ext4_get_tree+0x1c/0x20 fs/ext4/super.c:5743 vfs_get_tree+0x51/0x1b0 fs/super.c:1771 do_new_mount+0x203/0x660 fs/namespace.c:3337 path_mount+0x496/0xb30 fs/namespace.c:3664 do_mount fs/namespace.c:3677 [inline] __do_sys_mount fs/namespace.c:3886 [inline] __se_sys_mount+0x27f/0x2d0 fs/namespace.c:3863 __x64_sys_mount+0x67/0x80 fs/namespace.c:3863 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x44/0x110 arch/x86/entry/common.c:82 entry_SYSCALL_64_after_hwframe+0x63/0x6b value changed: 0xffff888139da5f08 -> 0x0000000000000000 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 23397 Comm: syz-executor.3 Tainted: G W 6.6.0-syzkaller-12401-g8f6f76a6a29f #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 ================================================================== EXT4-fs error (device loop3): ext4_do_update_inode:5105: inode #3: comm syz-executor.3: corrupted inode contents EXT4-fs error (device loop3): ext4_dirty_inode:5965: inode #3: comm syz-executor.3: mark_inode_dirty error EXT4-fs error (device loop3): ext4_do_update_inode:5105: inode #3: comm syz-executor.3: corrupted inode contents EXT4-fs error (device loop3): __ext4_ext_dirty:202: inode #3: comm syz-executor.3: mark_inode_dirty error EXT4-fs (loop3): 1 orphan inode deleted EXT4-fs mount: 212 callbacks suppressed EXT4-fs (loop3): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. ext4 filesystem being mounted at /root/syzkaller-testdir442634773/syzkaller.TqitQ5/1176/file1 supports timestamps until 2038-01-19 (0x7fffffff)