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================================================================== BUG: KCSAN: data-race in getrusage / zap_page_range_single write to 0xffff88811992b278 of 8 bytes by task 7056 on cpu 0: update_hiwater_rss include/linux/mm.h:2660 [inline] zap_page_range_single+0x1a2/0x2f0 mm/memory.c:2022 unmap_mapping_range_vma mm/memory.c:3846 [inline] unmap_mapping_range_tree mm/memory.c:3863 [inline] unmap_mapping_pages mm/memory.c:3929 [inline] unmap_mapping_range+0x16d/0x1b0 mm/memory.c:3966 shmem_fallocate+0x28b/0x890 mm/shmem.c:3695 vfs_fallocate+0x368/0x3b0 fs/open.c:338 madvise_remove mm/madvise.c:1034 [inline] madvise_vma_behavior mm/madvise.c:1269 [inline] madvise_walk_vmas mm/madvise.c:1511 [inline] do_madvise+0x14cc/0x2a60 mm/madvise.c:1698 __do_sys_madvise mm/madvise.c:1714 [inline] __se_sys_madvise mm/madvise.c:1712 [inline] __x64_sys_madvise+0x61/0x70 mm/madvise.c:1712 x64_sys_call+0x23b8/0x2e10 arch/x86/include/generated/asm/syscalls_64.h:29 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xc9/0x1c0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f read to 0xffff88811992b278 of 8 bytes by task 7047 on cpu 1: get_mm_hiwater_rss include/linux/mm.h:2647 [inline] setmax_mm_hiwater_rss include/linux/mm.h:2677 [inline] getrusage+0xa17/0xb70 kernel/sys.c:1876 io_sq_thread+0x5e0/0x1140 io_uring/sqpoll.c:310 ret_from_fork+0x4b/0x60 arch/x86/kernel/process.c:153 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 value changed: 0x00000000000016f7 -> 0x0000000000002217 Reported by Kernel Concurrency Sanitizer on: CPU: 1 UID: 0 PID: 7047 Comm: iou-sqp-7046 Not tainted 6.14.0-syzkaller-10514-g7f2ff7b62617 #0 PREEMPT(voluntary) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 ==================================================================
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2025/03/30 08:10 | upstream | 7f2ff7b62617 | d3999433 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in getrusage / zap_page_range_single | ||
2025/03/25 08:44 | upstream | 3ba7dfb8da62 | 875573af | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in getrusage / zap_page_range_single | ||
2025/03/25 08:43 | upstream | 3ba7dfb8da62 | 875573af | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in getrusage / zap_page_range_single |