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================================================================== BUG: KCSAN: data-race in mem_cgroup_track_foreign_dirty_slowpath / mem_cgroup_track_foreign_dirty_slowpath write to 0xffff888117c2c5d8 of 8 bytes by task 3485 on cpu 1: mem_cgroup_track_foreign_dirty_slowpath+0x3b3/0x440 mem_cgroup_track_foreign_dirty include/linux/memcontrol.h:1586 [inline] folio_account_dirtied mm/page-writeback.c:2756 [inline] __folio_mark_dirty+0x3f5/0x4e0 mm/page-writeback.c:2797 mark_buffer_dirty+0x134/0x230 fs/buffer.c:1196 __block_write_begin_int+0x84d/0xfa0 fs/buffer.c:2127 block_page_mkwrite+0x1bd/0x3f0 fs/buffer.c:2629 ext4_page_mkwrite+0x73d/0xb70 fs/ext4/inode.c:6181 do_page_mkwrite mm/memory.c:3244 [inline] do_shared_fault mm/memory.c:5468 [inline] do_fault mm/memory.c:5530 [inline] do_pte_missing mm/memory.c:4047 [inline] handle_pte_fault mm/memory.c:5889 [inline] __handle_mm_fault mm/memory.c:6032 [inline] handle_mm_fault+0x12f7/0x2ac0 mm/memory.c:6201 do_user_addr_fault arch/x86/mm/fault.c:1388 [inline] handle_page_fault arch/x86/mm/fault.c:1480 [inline] exc_page_fault+0x296/0x650 arch/x86/mm/fault.c:1538 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623 read to 0xffff888117c2c5d8 of 8 bytes by task 3499 on cpu 0: mem_cgroup_track_foreign_dirty_slowpath+0xdb/0x440 mm/memcontrol.c:3261 mem_cgroup_track_foreign_dirty include/linux/memcontrol.h:1586 [inline] folio_account_dirtied mm/page-writeback.c:2756 [inline] __folio_mark_dirty+0x3f5/0x4e0 mm/page-writeback.c:2797 mark_buffer_dirty+0x134/0x230 fs/buffer.c:1196 __block_commit_write fs/buffer.c:2189 [inline] block_write_end+0x123/0x210 fs/buffer.c:2265 ext4_write_end+0x148/0x770 fs/ext4/inode.c:1304 generic_perform_write+0x33c/0x4a0 mm/filemap.c:4204 ext4_buffered_write_iter+0x1ed/0x3c0 fs/ext4/file.c:299 ext4_file_write_iter+0x383/0xf20 iter_file_splice_write+0x5f1/0x980 fs/splice.c:743 do_splice_from fs/splice.c:941 [inline] direct_splice_actor+0x160/0x2c0 fs/splice.c:1164 splice_direct_to_actor+0x302/0x670 fs/splice.c:1108 do_splice_direct_actor fs/splice.c:1207 [inline] do_splice_direct+0xd7/0x150 fs/splice.c:1233 do_sendfile+0x398/0x660 fs/read_write.c:1363 __do_sys_sendfile64 fs/read_write.c:1424 [inline] __se_sys_sendfile64 fs/read_write.c:1410 [inline] __x64_sys_sendfile64+0x110/0x150 fs/read_write.c:1410 x64_sys_call+0xfbd/0x2dc0 arch/x86/include/generated/asm/syscalls_64.h:41 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xc9/0x1c0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f value changed: 0x00000000ffff970b -> 0x00000000ffff97b8 Reported by Kernel Concurrency Sanitizer on: CPU: 0 UID: 0 PID: 3499 Comm: syz.1.15 Not tainted 6.13.0-syzkaller-09950-g60c828cf80c0 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 ==================================================================
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2025/02/01 19:41 | upstream | 60c828cf80c0 | aa47157c | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in mem_cgroup_track_foreign_dirty_slowpath / mem_cgroup_track_foreign_dirty_slowpath | ||
2025/01/24 05:49 | upstream | d0d106a2bd21 | 521b0ce3 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in mem_cgroup_track_foreign_dirty_slowpath / mem_cgroup_track_foreign_dirty_slowpath | ||
2025/01/08 02:37 | upstream | 09a0fa92e5b4 | f3558dbf | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in mem_cgroup_track_foreign_dirty_slowpath / mem_cgroup_track_foreign_dirty_slowpath | ||
2024/11/20 06:47 | upstream | bf9aa14fc523 | 7d02db5a | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in mem_cgroup_track_foreign_dirty_slowpath / mem_cgroup_track_foreign_dirty_slowpath | ||
2024/10/18 19:01 | upstream | 4d939780b705 | 666f77ed | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in mem_cgroup_track_foreign_dirty_slowpath / mem_cgroup_track_foreign_dirty_slowpath | ||
2024/09/17 15:39 | upstream | a430d95c5efa | c673ca06 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in mem_cgroup_track_foreign_dirty_slowpath / mem_cgroup_track_foreign_dirty_slowpath |