Unable to handle kernel paging request at virtual address fffffffffffffff4 Mem abort info: ESR = 0x0000000096000004 EC = 0x25: DABT (current EL), IL = 32 bits SET = 0, FnV = 0 EA = 0, S1PTW = 0 FSC = 0x04: level 0 translation fault Data abort info: ISV = 0, ISS = 0x00000004 CM = 0, WnR = 0 swapper pgtable: 4k pages, 48-bit VAs, pgdp=00000001c56f6000 [fffffffffffffff4] pgd=0000000000000000, p4d=0000000000000000 Internal error: Oops: 96000004 [#1] PREEMPT SMP Modules linked in: CPU: 0 PID: 23331 Comm: syz-executor.0 Not tainted 6.0.0-rc4-syzkaller-17255-ga6b443748715 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022 pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : dma_unmap_sgtable include/linux/dma-mapping.h:378 [inline] pc : put_sg_table drivers/dma-buf/udmabuf.c:89 [inline] pc : release_udmabuf+0x38/0x244 drivers/dma-buf/udmabuf.c:114 lr : release_udmabuf+0x34/0x244 drivers/dma-buf/udmabuf.c:110 sp : ffff800013c3bc00 x29: ffff800013c3bc00 x28: ffff80000d8f4000 x27: 0000000000080040 x26: 00000000000800e0 x25: 0000000000000000 x24: ffff000106cc4918 x23: ffff80000cb4fa74 x22: ffff0001005b0000 x21: ffff800009af17c4 x20: fffffffffffffff4 x19: ffff0000febbe900 x18: 0000000000000000 x17: 0000000000000000 x16: ffff80000db78658 x15: ffff0001005b0000 x14: 0000000000000000 x13: 00000000ffffffff x12: ffff0001005b0000 x11: ff80800009b0104c x10: 0000000000000000 x9 : ffff800009b0104c x8 : ffff80000d6684f8 x7 : ffff8000095d8cf4 x6 : 0000000000000000 x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000 x2 : ffff0001005b0000 x1 : 0000000000000000 x0 : ffff0000ff53c800 Call trace: release_udmabuf+0x38/0x244 drivers/dma-buf/udmabuf.c:110 dma_buf_release+0x6c/0xf8 drivers/dma-buf/dma-buf.c:78 __dentry_kill+0x1fc/0x37c fs/dcache.c:612 dentry_kill+0x8c/0x194 dput+0x194/0x2e0 fs/dcache.c:913 __fput+0x2ec/0x3dc fs/file_table.c:333 ____fput+0x20/0x30 fs/file_table.c:353 task_work_run+0xc4/0x14c kernel/task_work.c:177 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] do_notify_resume+0x174/0x1f0 arch/arm64/kernel/signal.c:1127 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:137 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:142 [inline] el0_svc+0x9c/0x150 arch/arm64/kernel/entry-common.c:625 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:642 el0t_64_sync+0x18c/0x190 Code: f9400a74 b40001d4 979e8041 f9400e68 (f9400281) ---[ end trace 0000000000000000 ]--- ---------------- Code disassembly (best guess): 0: f9400a74 ldr x20, [x19, #16] 4: b40001d4 cbz x20, 0x3c 8: 979e8041 bl 0xfffffffffe7a010c c: f9400e68 ldr x8, [x19, #24] * 10: f9400281 ldr x1, [x20] <-- trapping instruction