EXT4-fs (loop5): encrypted files will use data=ordered instead of data journaling mode EXT4-fs (loop5): 1 truncate cleaned up EXT4-fs (loop5): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. ================================================================== BUG: KCSAN: data-race in call_rcu / mtree_range_walk write to 0xffff88811840d208 of 8 bytes by task 26544 on cpu 0: __call_rcu_common kernel/rcu/tree.c:3085 [inline] call_rcu+0x47/0x430 kernel/rcu/tree.c:3190 ma_free_rcu lib/maple_tree.c:211 [inline] mas_topiary_node lib/maple_tree.c:2534 [inline] mas_topiary_replace lib/maple_tree.c:2634 [inline] mas_wmb_replace+0xcc0/0x14d0 lib/maple_tree.c:2656 mas_split lib/maple_tree.c:3383 [inline] mas_commit_b_node lib/maple_tree.c:3403 [inline] mas_wr_bnode lib/maple_tree.c:4064 [inline] mas_wr_store_entry+0x1681/0x2d10 lib/maple_tree.c:4105 mas_store_prealloc+0x6bf/0x960 lib/maple_tree.c:5519 vma_iter_store mm/vma.h:387 [inline] __mmap_new_vma mm/vma.c:2371 [inline] __mmap_region+0xdca/0x13f0 mm/vma.c:2456 mmap_region+0x164/0x1e0 mm/mmap.c:1347 do_mmap+0x718/0xb60 mm/mmap.c:496 vm_mmap_pgoff+0x133/0x290 mm/util.c:580 ksys_mmap_pgoff+0xd0/0x330 mm/mmap.c:542 x64_sys_call+0x1940/0x2dc0 arch/x86/include/generated/asm/syscalls_64.h:10 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 read to 0xffff88811840d208 of 8 bytes by task 26545 on cpu 1: mtree_range_walk+0x2a3/0x460 lib/maple_tree.c:2799 mas_state_walk lib/maple_tree.c:3620 [inline] mas_walk+0x16e/0x320 lib/maple_tree.c:4946 lock_vma_under_rcu+0x95/0x260 mm/memory.c:6274 do_user_addr_fault arch/x86/mm/fault.c:1329 [inline] handle_page_fault arch/x86/mm/fault.c:1481 [inline] exc_page_fault+0x150/0x650 arch/x86/mm/fault.c:1539 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623 value changed: 0x000055558aa43fff -> 0xffff88811840d508 Reported by Kernel Concurrency Sanitizer on: CPU: 1 UID: 0 PID: 26545 Comm: syz.5.7555 Tainted: G W 6.12.0-syzkaller-11677-g2ba9f676d0a2 #0 Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 ==================================================================