ci2 starts bisection 2023-06-26 23:44:07.443535937 +0000 UTC m=+32266.533883794 bisecting fixing commit since 933174ae28ba72ab8de5b35cb7c98fc211235096 building syzkaller on 0513b3e670c9ff1eb79183e59e0f7d46ea76d243 ensuring issue is reproducible on original commit 933174ae28ba72ab8de5b35cb7c98fc211235096 testing commit 933174ae28ba72ab8de5b35cb7c98fc211235096 gcc compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: bc7f3f7f1bf1553698528b3e7d215305afe57c7cd4251c1a77ab21db9b278ea5 all runs: crashed: KASAN: wild-memory-access Read in hfsplus_bnode_dump testing current HEAD 941d77c77339d2dd1cda8911da63da3c67e90860 testing commit 941d77c77339d2dd1cda8911da63da3c67e90860 gcc compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: ce2ea945e0a6a2321e8382660f1ed24a59ab7a66b7487e6ad2bce279bfc3e1e4 all runs: crashed: KASAN: wild-memory-access Read in hfsplus_bnode_dump crash still not fixed/happens on the oldest tested release revisions tested: 2, total time: 1h1m50.067874767s (build: 53m35.157105795s, test: 7m7.721541405s) crash still not fixed on HEAD or HEAD had kernel test errors commit msg: Merge tag 'x86_cpu_for_v6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip crash: KASAN: wild-memory-access Read in hfsplus_bnode_dump loop0: detected capacity change from 0 to 1024 hfsplus: request for non-existent node 32768 in B*Tree hfsplus: request for non-existent node 32768 in B*Tree ================================================================== BUG: KASAN: wild-memory-access in memcpy_from_page include/linux/highmem.h:417 [inline] BUG: KASAN: wild-memory-access in hfsplus_bnode_read fs/hfsplus/bnode.c:32 [inline] BUG: KASAN: wild-memory-access in hfsplus_bnode_read_u16 fs/hfsplus/bnode.c:45 [inline] BUG: KASAN: wild-memory-access in hfsplus_bnode_dump+0x35d/0x9f0 fs/hfsplus/bnode.c:305 Read of size 2 at addr 000508800000103e by task syz-executor.0/5415 CPU: 0 PID: 5415 Comm: syz-executor.0 Not tainted 6.4.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x167/0x220 lib/dump_stack.c:106 print_report+0xe6/0x540 mm/kasan/report.c:465 kasan_report+0x176/0x1b0 mm/kasan/report.c:572 kasan_check_range+0x283/0x290 mm/kasan/generic.c:187 __asan_memcpy+0x29/0x70 mm/kasan/shadow.c:105 memcpy_from_page include/linux/highmem.h:417 [inline] hfsplus_bnode_read fs/hfsplus/bnode.c:32 [inline] hfsplus_bnode_read_u16 fs/hfsplus/bnode.c:45 [inline] hfsplus_bnode_dump+0x35d/0x9f0 fs/hfsplus/bnode.c:305 hfsplus_brec_remove+0x3c2/0x470 fs/hfsplus/brec.c:229 __hfsplus_delete_attr+0x25c/0x470 fs/hfsplus/attributes.c:299 hfsplus_delete_all_attrs+0x23c/0x360 fs/hfsplus/attributes.c:378 hfsplus_delete_cat+0x990/0xdd0 fs/hfsplus/catalog.c:425 hfsplus_unlink+0x306/0x680 fs/hfsplus/dir.c:385 vfs_unlink+0x2b4/0x4c0 fs/namei.c:4329 do_unlinkat+0x44c/0x870 fs/namei.c:4395 __do_sys_unlink fs/namei.c:4443 [inline] __se_sys_unlink fs/namei.c:4441 [inline] __x64_sys_unlink+0x44/0x50 fs/namei.c:4441 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 RIP: 0033:0x7f7025a8c169 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f7026865168 EFLAGS: 00000246 ORIG_RAX: 0000000000000057 RAX: ffffffffffffffda RBX: 00007f7025babf80 RCX: 00007f7025a8c169 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000140 RBP: 00007f7025ae7ca1 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd098cfe1f R14: 00007f7026865300 R15: 0000000000022000 ==================================================================