loop1: detected capacity change from 0 to 32768 workqueue: Failed to create a rescuer kthread for wq "bcachefs_io": -EINTR bcachefs (076a1832-646e-4f3c-b13d-b3e266154efd): shutdown complete Unable to handle kernel paging request at virtual address ffff7000249f8610 KASAN: probably wild-memory-access in range [0xffff800124fc3080-0xffff800124fc3087] Mem abort info: ESR = 0x0000000096000006 EC = 0x25: DABT (current EL), IL = 32 bits SET = 0, FnV = 0 EA = 0, S1PTW = 0 FSC = 0x06: level 2 translation fault Data abort info: ISV = 0, ISS = 0x00000006, ISS2 = 0x00000000 CM = 0, WnR = 0, TnD = 0, TagAccess = 0 GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0 swapper pgtable: 4k pages, 48-bit VAs, pgdp=00000001ad5df000 [ffff7000249f8610] pgd=0000000000000000, p4d=000000023e881003, pud=000000023e880003, pmd=0000000000000000 Internal error: Oops: 0000000096000006 [#1] PREEMPT SMP Modules linked in: CPU: 1 PID: 7733 Comm: syz-executor.1 Not tainted 6.9.0-rc7-syzkaller-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : bch2_fs_btree_key_cache_exit+0x7ec/0xfcc fs/bcachefs/btree_key_cache.c:963 lr : bch2_fs_btree_key_cache_exit+0x78c/0xfcc fs/bcachefs/btree_key_cache.c:959 sp : ffff80009ff46e80 x29: ffff80009ff46f50 x28: 1fffe0001eee0010 x27: ffff0000f77044c0 x26: 1ffff00013fe8de0 x25: dfff800000000000 x24: 1ffff00011692640 x23: 0000000000000000 x22: ffff800124fc3080 x21: ffff80009ff46f00 x20: ffff80008eeb1218 x19: dfff800000000000 x18: 1fffe000367bd196 x17: ffff80008eead000 x16: ffff800080288ddc x15: 0000000000000001 x14: 1fffe0001eee089a x13: 0000000000000000 x12: 0000000000000000 x11: ffff60001eee089b x10: 0000000000ff0100 x9 : 0000000000000003 x8 : 1ffff000249f8610 x7 : ffff800082765210 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff800082765220 x2 : 0000000000000000 x1 : 0000000000000000 x0 : 0000000000000008 Call trace: bch2_fs_btree_key_cache_exit+0x7ec/0xfcc fs/bcachefs/btree_key_cache.c:963 __bch2_fs_free fs/bcachefs/super.c:563 [inline] bch2_fs_release+0x1e8/0x56c fs/bcachefs/super.c:610 kobject_cleanup lib/kobject.c:689 [inline] kobject_release lib/kobject.c:720 [inline] kref_put include/linux/kref.h:65 [inline] kobject_put+0x2a8/0x41c lib/kobject.c:737 bch2_fs_free+0x288/0x2f0 fs/bcachefs/super.c:675 bch2_fs_alloc+0xe4c/0x1c60 fs/bcachefs/super.c:966 bch2_fs_open+0x740/0xb64 fs/bcachefs/super.c:2081 bch2_mount+0x558/0xe10 fs/bcachefs/fs.c:1903 legacy_get_tree+0xd4/0x16c fs/fs_context.c:662 vfs_get_tree+0x90/0x288 fs/super.c:1779 do_new_mount+0x278/0x900 fs/namespace.c:3352 path_mount+0x590/0xe04 fs/namespace.c:3679 do_mount fs/namespace.c:3692 [inline] __do_sys_mount fs/namespace.c:3898 [inline] __se_sys_mount fs/namespace.c:3875 [inline] __arm64_sys_mount+0x45c/0x594 fs/namespace.c:3875 __invoke_syscall arch/arm64/kernel/syscall.c:34 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:48 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:133 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:152 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:712 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:730 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:598 Code: f90027e8 d343fec8 11000d29 f9002be8 (38f36908) ---[ end trace 0000000000000000 ]--- ---------------- Code disassembly (best guess): 0: f90027e8 str x8, [sp, #72] 4: d343fec8 lsr x8, x22, #3 8: 11000d29 add w9, w9, #0x3 c: f9002be8 str x8, [sp, #80] * 10: 38f36908 ldrsb w8, [x8, x19] <-- trapping instruction