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bcachefs (loop2): initializing new filesystem ================================================================== BUG: KASAN: null-ptr-deref in __bch2_trans_get+0xcd/0xd40 fs/bcachefs/btree_iter.c:3317 Write of size 360 at addr 0000000000000001 by task syz.2.1692/11245 CPU: 0 UID: 0 PID: 11245 Comm: syz.2.1692 Not tainted 6.14.0-syzkaller-12886-ga1b5bd45d4ee #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 Call Trace: <TASK> __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 print_report+0xe3/0x5b0 mm/kasan/report.c:524 kasan_report+0x143/0x180 mm/kasan/report.c:634 check_region_inline mm/kasan/generic.c:-1 [inline] kasan_check_range+0x28f/0x2a0 mm/kasan/generic.c:189 __asan_memset+0x23/0x50 mm/kasan/shadow.c:84 __bch2_trans_get+0xcd/0xd40 fs/bcachefs/btree_iter.c:3317 bch2_btree_root_alloc_fake+0x44/0x130 fs/bcachefs/btree_update_interior.c:2629 bch2_fs_initialize+0x85e/0x1620 fs/bcachefs/recovery.c:1118 bch2_fs_start+0x2ec/0x610 fs/bcachefs/super.c:1061 bch2_fs_get_tree+0x113e/0x18f0 fs/bcachefs/fs.c:2253 vfs_get_tree+0x90/0x2b0 fs/super.c:1759 do_new_mount+0x2cf/0xb70 fs/namespace.c:3878 do_mount fs/namespace.c:4218 [inline] __do_sys_mount fs/namespace.c:4429 [inline] __se_sys_mount+0x38c/0x400 fs/namespace.c:4406 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f2a7c98e90a Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f2a7d782e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f2a7d782ef0 RCX: 00007f2a7c98e90a RDX: 00002000000000c0 RSI: 0000200000000180 RDI: 00007f2a7d782eb0 RBP: 00002000000000c0 R08: 00007f2a7d782ef0 R09: 0000000001200010 R10: 0000000001200010 R11: 0000000000000246 R12: 0000200000000180 R13: 00007f2a7d782eb0 R14: 0000000000005a07 R15: 0000200000000480 </TASK> ==================================================================
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2025/04/03 07:02 | upstream | a1b5bd45d4ee | 996a9618 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-fs | KASAN: null-ptr-deref Write in __bch2_trans_get | ||
2025/02/16 10:51 | upstream | ad1b832bf1cf | 40a34ec9 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-fs | KASAN: null-ptr-deref Write in __bch2_trans_get |