------------[ cut here ]------------ virt_to_phys used for non-linear address: fffffffffffffff2 (0xfffffffffffffff2) WARNING: CPU: 0 PID: 6604 at arch/arm64/mm/physaddr.c:15 __virt_to_phys+0xc4/0x138 arch/arm64/mm/physaddr.c:12 Modules linked in: CPU: 0 PID: 6604 Comm: syz.3.44 Tainted: G W 6.10.0-rc2-syzkaller-g8867bbd4a056 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __virt_to_phys+0xc4/0x138 arch/arm64/mm/physaddr.c:12 lr : __virt_to_phys+0xc4/0x138 arch/arm64/mm/physaddr.c:12 sp : ffff8000a1e86c00 x29: ffff8000a1e86c00 x28: 0000000000000002 x27: 1ffff000143d0d98 x26: 1ffff000143d0d94 x25: dfff800000000000 x24: fffffffffffffff2 x23: ffff0000c9df3a20 x22: 000f600000000000 x21: 000000000000002d x20: fffffffffffffff2 x19: 000ffffffffffff2 x18: 1fffe000367a01de x17: ffff80008f3bd000 x16: ffff80008033878c x15: 0000000000000001 x14: 1fffe000367a2e00 x13: 0000000000000000 x12: 0000000000000003 x11: 0000000000000001 x10: 0000000000000003 x9 : 134bfa70f402e100 x8 : 134bfa70f402e100 x7 : ffff8000802aebf8 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : 0000000000000000 x2 : ffff0000ccb11e40 x1 : ffff80008b3800a0 x0 : ffff8001249f9000 Call trace: __virt_to_phys+0xc4/0x138 arch/arm64/mm/physaddr.c:12 virt_to_phys arch/arm64/include/asm/memory.h:368 [inline] virt_to_pfn arch/arm64/include/asm/memory.h:382 [inline] virt_to_folio include/linux/mm.h:1313 [inline] kfree+0xa4/0x3f4 mm/slub.c:4549 bch2_ioctl_fsck_online+0x358/0x580 fs/bcachefs/chardev.c:853 bch2_fs_ioctl+0x23ec/0x3980 fs/bcachefs/chardev.c:927 bch2_fs_file_ioctl+0x7b8/0x2460 fs/bcachefs/fs-ioctl.c:539 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:907 [inline] __se_sys_ioctl fs/ioctl.c:893 [inline] __arm64_sys_ioctl+0x14c/0x1c8 fs/ioctl.c:893 __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 irq event stamp: 3842 hardirqs last enabled at (3841): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1418 [inline] hardirqs last enabled at (3841): [] finish_lock_switch+0xbc/0x1e4 kernel/sched/core.c:5162 hardirqs last disabled at (3842): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:470 softirqs last enabled at (3824): [] softirq_handle_end kernel/softirq.c:400 [inline] softirqs last enabled at (3824): [] handle_softirqs+0xa60/0xc34 kernel/softirq.c:582 softirqs last disabled at (3723): [] __do_softirq+0x14/0x20 kernel/softirq.c:588 ---[ end trace 0000000000000000 ]--- Unable to handle kernel paging request at virtual address ffffffffc375ffc8 KASAN: maybe wild-memory-access in range [0x0003fffe1baffe40-0x0003fffe1baffe47] 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=00000001ac6da000 [ffffffffc375ffc8] pgd=0000000000000000, p4d=00000001afff8003, pud=00000001afff9003, pmd=0000000000000000 Internal error: Oops: 0000000096000006 [#1] PREEMPT SMP Modules linked in: CPU: 0 PID: 6604 Comm: syz.3.44 Tainted: G W 6.10.0-rc2-syzkaller-g8867bbd4a056 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : _compound_head include/linux/page-flags.h:245 [inline] pc : virt_to_folio include/linux/mm.h:1315 [inline] pc : kfree+0xbc/0x3f4 mm/slub.c:4549 lr : virt_to_phys arch/arm64/include/asm/memory.h:368 [inline] lr : virt_to_pfn arch/arm64/include/asm/memory.h:382 [inline] lr : virt_to_folio include/linux/mm.h:1313 [inline] lr : kfree+0xa4/0x3f4 mm/slub.c:4549 sp : ffff8000a1e86c30 x29: ffff8000a1e86c40 x28: 0000000000000002 x27: 1ffff000143d0d98 x26: 1ffff000143d0d94 x25: dfff800000000000 x24: fffffffffffffff2 x23: ffff0000c9df3a20 x22: ffff0000e1a4a2d0 x21: fffffffffffffff2 x20: ffffffffc375ffc0 x19: ffff8000828128a8 x18: 1fffe000367a01de x17: ffff80008f3bd000 x16: ffff80008033878c x15: 0000000000000001 x14: 1fffe000367a2e00 x13: 0000000000000000 x12: 0000000000000003 x11: 0000000000040000 x10: 00000000000159a0 x9 : 00003e000375ffc0 x8 : ffffc1ffc0000000 x7 : ffff8000802aebf8 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : 0000000000000000 x2 : ffff0000ccb11e40 x1 : ffff80008b3800a0 x0 : 000080011d7ffff2 Call trace: virt_to_folio include/linux/mm.h:1313 [inline] kfree+0xbc/0x3f4 mm/slub.c:4549 bch2_ioctl_fsck_online+0x358/0x580 fs/bcachefs/chardev.c:853 bch2_fs_ioctl+0x23ec/0x3980 fs/bcachefs/chardev.c:927 bch2_fs_file_ioctl+0x7b8/0x2460 fs/bcachefs/fs-ioctl.c:539 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:907 [inline] __se_sys_ioctl fs/ioctl.c:893 [inline] __arm64_sys_ioctl+0x14c/0x1c8 fs/ioctl.c:893 __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: 927acd29 f2d83fe8 cb141929 8b080134 (f9400688) ---[ end trace 0000000000000000 ]--- ---------------- Code disassembly (best guess): 0: 927acd29 and x9, x9, #0x3ffffffffffffc0 4: f2d83fe8 movk x8, #0xc1ff, lsl #32 8: cb141929 sub x9, x9, x20, lsl #6 c: 8b080134 add x20, x9, x8 * 10: f9400688 ldr x8, [x20, #8] <-- trapping instruction