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================================================================== BUG: KCSAN: data-race in inode_doinit_with_dentry / inode_doinit_with_dentry write to 0xffff888139ac3dc2 of 1 bytes by task 4536 on cpu 0: inode_doinit_with_dentry+0x807/0x840 security/selinux/hooks.c:1526 __inode_security_revalidate security/selinux/hooks.c:270 [inline] inode_security security/selinux/hooks.c:295 [inline] selinux_file_permission+0x179/0x350 security/selinux/hooks.c:3603 security_file_permission+0x3f/0x70 security/security.c:1590 vfs_fallocate+0x20a/0x3d0 fs/open.c:303 madvise_remove mm/madvise.c:1001 [inline] madvise_vma_behavior mm/madvise.c:1025 [inline] madvise_walk_vmas mm/madvise.c:1260 [inline] do_madvise+0x77b/0x28a0 mm/madvise.c:1439 __do_sys_madvise mm/madvise.c:1452 [inline] __se_sys_madvise mm/madvise.c:1450 [inline] __x64_sys_madvise+0x60/0x70 mm/madvise.c:1450 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd read to 0xffff888139ac3dc2 of 1 bytes by task 4544 on cpu 1: inode_doinit_with_dentry+0x77/0x840 security/selinux/hooks.c:1378 __inode_security_revalidate security/selinux/hooks.c:270 [inline] inode_security security/selinux/hooks.c:295 [inline] selinux_file_permission+0x179/0x350 security/selinux/hooks.c:3603 security_file_permission+0x3f/0x70 security/security.c:1590 vfs_fallocate+0x20a/0x3d0 fs/open.c:303 madvise_remove mm/madvise.c:1001 [inline] madvise_vma_behavior mm/madvise.c:1025 [inline] madvise_walk_vmas mm/madvise.c:1260 [inline] do_madvise+0x77b/0x28a0 mm/madvise.c:1439 __do_sys_madvise mm/madvise.c:1452 [inline] __se_sys_madvise mm/madvise.c:1450 [inline] __x64_sys_madvise+0x60/0x70 mm/madvise.c:1450 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd value changed: 0x02 -> 0x01 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 4544 Comm: syz-executor.0 Not tainted 6.3.0-rc7-syzkaller-00191-g622322f53c6d #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023 ==================================================================
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2023/04/23 13:05 | upstream | 622322f53c6d | 2b32bd34 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in inode_doinit_with_dentry / inode_doinit_with_dentry |