Illegal XDP return value 2226302976 on prog (id 9) dev N/A, expect packet loss! ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5475 at kernel/dma/direct.h:87 dma_direct_map_page kernel/dma/direct.h:87 [inline] WARNING: CPU: 1 PID: 5475 at kernel/dma/direct.h:87 dma_direct_map_sg+0x374/0x404 kernel/dma/direct.c:479 Modules linked in: Kernel panic - not syncing: kernel: panic_on_warn set ... CPU: 1 UID: 0 PID: 5475 Comm: syz.0.293 Not tainted 6.16.0-rc3-syzkaller #0 PREEMPT Hardware name: ARM-Versatile Express Call trace: [<80201a00>] (dump_backtrace) from [<80201afc>] (show_stack+0x18/0x1c arch/arm/kernel/traps.c:257) r7:00000000 r6:8282083c r5:00000000 r4:82259b24 [<80201ae4>] (show_stack) from [<8021fdd8>] (__dump_stack lib/dump_stack.c:94 [inline]) [<80201ae4>] (show_stack) from [<8021fdd8>] (dump_stack_lvl+0x54/0x7c lib/dump_stack.c:120) [<8021fd84>] (dump_stack_lvl) from [<8021fe18>] (dump_stack+0x18/0x1c lib/dump_stack.c:129) r5:00000000 r4:82a6dd18 [<8021fe00>] (dump_stack) from [<80202614>] (panic+0x120/0x374 kernel/panic.c:382) [<802024f4>] (panic) from [<802585b8>] (check_panic_on_warn kernel/panic.c:273 [inline]) [<802024f4>] (panic) from [<802585b8>] (get_taint+0x0/0x1c kernel/panic.c:268) r3:8280c684 r2:00000001 r1:82240650 r0:82248000 r7:803178cc [<80258544>] (check_panic_on_warn) from [<8025871c>] (__warn+0x80/0x188 kernel/panic.c:777) [<8025869c>] (__warn) from [<8025899c>] (warn_slowpath_fmt+0x178/0x1f4 kernel/panic.c:804) r8:00000009 r7:82253df8 r6:df9e1c0c r5:84b2b000 r4:00000000 [<80258828>] (warn_slowpath_fmt) from [<803178cc>] (dma_direct_map_page kernel/dma/direct.h:87 [inline]) [<80258828>] (warn_slowpath_fmt) from [<803178cc>] (dma_direct_map_sg+0x374/0x404 kernel/dma/direct.c:479) r10:82ab9cb0 r9:00000000 r8:00000000 r7:833ea810 r6:85585e00 r5:00018000 r4:85585480 [<80317558>] (dma_direct_map_sg) from [<8031602c>] (__dma_map_sg_attrs+0x4c/0x2fc kernel/dma/mapping.c:214) r10:8547b900 r9:833eaf48 r8:00000001 r7:85585e00 r6:00000000 r5:833ea810 r4:85585480 [<80315fe0>] (__dma_map_sg_attrs) from [<80316330>] (dma_map_sgtable+0x2c/0x40 kernel/dma/mapping.c:294) r10:8547b900 r9:833eaf48 r8:8547b9c0 r7:85585a40 r6:85585a40 r5:00000000 r4:85585480 [<80316304>] (dma_map_sgtable) from [<80ad4af4>] (drm_gem_map_dma_buf+0x58/0xc4 drivers/gpu/drm/drm_prime.c:662) r4:85585480 [<80ad4a9c>] (drm_gem_map_dma_buf) from [<80b960e8>] (dma_buf_map_attachment+0x50/0x164 drivers/dma-buf/dma-buf.c:1126) r7:85585a40 r6:00000000 r5:00000000 r4:85585a40 [<80b96098>] (dma_buf_map_attachment) from [<80b96238>] (dma_buf_map_attachment_unlocked+0x3c/0x78 drivers/dma-buf/dma-buf.c:1196) r7:85585a40 r6:833eac00 r5:00000000 r4:85585a40 [<80b961fc>] (dma_buf_map_attachment_unlocked) from [<80ad53d4>] (drm_gem_prime_import_dev drivers/gpu/drm/drm_prime.c:957 [inline]) [<80b961fc>] (dma_buf_map_attachment_unlocked) from [<80ad53d4>] (drm_gem_prime_import_dev+0x88/0x1a0 drivers/gpu/drm/drm_prime.c:927) r5:8440ae00 r4:84ba3980 [<80ad534c>] (drm_gem_prime_import_dev) from [<80ad5a28>] (drm_gem_prime_import drivers/gpu/drm/drm_prime.c:1000 [inline]) [<80ad534c>] (drm_gem_prime_import_dev) from [<80ad5a28>] (drm_gem_prime_fd_to_handle+0x184/0x230 drivers/gpu/drm/drm_prime.c:319) r9:833eaf48 r8:8547b9c0 r7:df9e1e64 r6:833eac00 r5:8547b900 r4:84ba3980 [<80ad58a4>] (drm_gem_prime_fd_to_handle) from [<80ad5be8>] (drm_prime_fd_to_handle_ioctl+0x34/0x38 drivers/gpu/drm/drm_prime.c:375) r9:84b2b000 r8:833eac00 r7:df9e1e64 r6:80ad5bb4 r5:8547b900 r4:00000000 [<80ad5bb4>] (drm_prime_fd_to_handle_ioctl) from [<80ac713c>] (drm_ioctl_kernel+0xb8/0x120 drivers/gpu/drm/drm_ioctl.c:796) r5:8547b900 r4:00000020 [<80ac7084>] (drm_ioctl_kernel) from [<80ac7408>] (drm_ioctl+0x264/0x5b0 drivers/gpu/drm/drm_ioctl.c:893) r8:81d38d28 r7:833eac00 r6:c00c642e r5:0000000c r4:0000000c [<80ac71a4>] (drm_ioctl) from [<8056f17c>] (vfs_ioctl fs/ioctl.c:51 [inline]) [<80ac71a4>] (drm_ioctl) from [<8056f17c>] (do_vfs_ioctl fs/ioctl.c:861 [inline]) [<80ac71a4>] (drm_ioctl) from [<8056f17c>] (__do_sys_ioctl fs/ioctl.c:905 [inline]) [<80ac71a4>] (drm_ioctl) from [<8056f17c>] (sys_ioctl+0x130/0xdc8 fs/ioctl.c:893) r10:84b2b000 r9:846b76c0 r8:00000003 r7:20000800 r6:846b76c1 r5:00000000 r4:c00c642e [<8056f04c>] (sys_ioctl) from [<80200060>] (ret_fast_syscall+0x0/0x1c arch/arm/mm/proc-v7.S:67) Exception stack(0xdf9e1fa8 to 0xdf9e1ff0) 1fa0: 00000000 00000000 00000003 c00c642e 20000800 00000000 1fc0: 00000000 00000000 002e6300 00000036 002d0000 00000000 00006364 76b670bc 1fe0: 76b66ec0 76b66eb0 00019384 00131f20 r10:00000036 r9:84b2b000 r8:8020029c r7:00000036 r6:002e6300 r5:00000000 r4:00000000 Rebooting in 86400 seconds..