------------[ cut here ]------------ WARNING: CPU: 0 PID: 5209 at kernel/dma/direct.h:87 dma_direct_map_page kernel/dma/direct.h:87 [inline] WARNING: CPU: 0 PID: 5209 at kernel/dma/direct.h:87 dma_direct_map_sg+0x360/0x3f0 kernel/dma/direct.c:479 Modules linked in: Kernel panic - not syncing: kernel: panic_on_warn set ... CPU: 0 UID: 0 PID: 5209 Comm: syz.1.16 Not tainted 6.15.0-syzkaller #0 PREEMPT Hardware name: ARM-Versatile Express Call trace: [<802019e4>] (dump_backtrace) from [<80201ae0>] (show_stack+0x18/0x1c arch/arm/kernel/traps.c:257) r7:00000000 r6:8282083c r5:00000000 r4:8225ba6c [<80201ac8>] (show_stack) from [<80220568>] (__dump_stack lib/dump_stack.c:94 [inline]) [<80201ac8>] (show_stack) from [<80220568>] (dump_stack_lvl+0x54/0x7c lib/dump_stack.c:120) [<80220514>] (dump_stack_lvl) from [<802205a8>] (dump_stack+0x18/0x1c lib/dump_stack.c:129) r5:00000000 r4:82a6fd1c [<80220590>] (dump_stack) from [<802025f8>] (panic+0x120/0x374 kernel/panic.c:384) [<802024d8>] (panic) from [<80259160>] (check_panic_on_warn kernel/panic.c:273 [inline]) [<802024d8>] (panic) from [<80259160>] (get_taint+0x0/0x1c kernel/panic.c:268) r3:8280c604 r2:00000001 r1:822425d4 r0:82249fc0 r7:80317ddc [<802590ec>] (check_panic_on_warn) from [<802592c4>] (__warn+0x80/0x188 kernel/panic.c:779) [<80259244>] (__warn) from [<80259544>] (warn_slowpath_fmt+0x178/0x1f4 kernel/panic.c:806) r8:00000009 r7:82255d74 r6:df9edc0c r5:84b80000 r4:00000000 [<802593d0>] (warn_slowpath_fmt) from [<80317ddc>] (dma_direct_map_page kernel/dma/direct.h:87 [inline]) [<802593d0>] (warn_slowpath_fmt) from [<80317ddc>] (dma_direct_map_sg+0x360/0x3f0 kernel/dma/direct.c:479) r10:82abbcb0 r9:00000000 r8:00000000 r7:83bf1c10 r6:8468ae80 r5:00018100 r4:8517e780 [<80317a7c>] (dma_direct_map_sg) from [<803165a0>] (__dma_map_sg_attrs+0x4c/0x2fc kernel/dma/mapping.c:214) r10:8460b100 r9:83bf2348 r8:00000001 r7:8468ae80 r6:00000000 r5:83bf1c10 r4:8517e780 [<80316554>] (__dma_map_sg_attrs) from [<803168a4>] (dma_map_sgtable+0x2c/0x40 kernel/dma/mapping.c:294) r10:8460b100 r9:83bf2348 r8:8460b1c0 r7:8517e980 r6:8517e980 r5:00000000 r4:8517e780 [<80316878>] (dma_map_sgtable) from [<80acbf40>] (drm_gem_map_dma_buf+0x58/0xc4 drivers/gpu/drm/drm_prime.c:662) r4:8517e780 [<80acbee8>] (drm_gem_map_dma_buf) from [<80b8d270>] (dma_buf_map_attachment+0x50/0x164 drivers/dma-buf/dma-buf.c:1126) r7:8517e980 r6:00000000 r5:00000000 r4:8517e980 [<80b8d220>] (dma_buf_map_attachment) from [<80b8d3c0>] (dma_buf_map_attachment_unlocked+0x3c/0x78 drivers/dma-buf/dma-buf.c:1196) r7:8517e980 r6:83bf2000 r5:00000000 r4:8517e980 [<80b8d384>] (dma_buf_map_attachment_unlocked) from [<80acc8a0>] (drm_gem_prime_import_dev drivers/gpu/drm/drm_prime.c:957 [inline]) [<80b8d384>] (dma_buf_map_attachment_unlocked) from [<80acc8a0>] (drm_gem_prime_import_dev+0x88/0x1a0 drivers/gpu/drm/drm_prime.c:927) r5:85032800 r4:84a27a00 [<80acc818>] (drm_gem_prime_import_dev) from [<80accef4>] (drm_gem_prime_import drivers/gpu/drm/drm_prime.c:1000 [inline]) [<80acc818>] (drm_gem_prime_import_dev) from [<80accef4>] (drm_gem_prime_fd_to_handle+0x184/0x230 drivers/gpu/drm/drm_prime.c:319) r9:83bf2348 r8:8460b1c0 r7:df9ede64 r6:83bf2000 r5:8460b100 r4:84a27a00 [<80accd70>] (drm_gem_prime_fd_to_handle) from [<80acd0b4>] (drm_prime_fd_to_handle_ioctl+0x34/0x38 drivers/gpu/drm/drm_prime.c:375) r9:84b80000 r8:83bf2000 r7:df9ede64 r6:80acd080 r5:8460b100 r4:00000000 [<80acd080>] (drm_prime_fd_to_handle_ioctl) from [<80abe618>] (drm_ioctl_kernel+0xb8/0x120 drivers/gpu/drm/drm_ioctl.c:796) r5:8460b100 r4:00000020 [<80abe560>] (drm_ioctl_kernel) from [<80abe8e4>] (drm_ioctl+0x264/0x5b0 drivers/gpu/drm/drm_ioctl.c:893) r8:81d35a64 r7:83bf2000 r6:c00c642e r5:0000000c r4:0000000c [<80abe680>] (drm_ioctl) from [<805680b4>] (vfs_ioctl fs/ioctl.c:51 [inline]) [<80abe680>] (drm_ioctl) from [<805680b4>] (do_vfs_ioctl fs/ioctl.c:861 [inline]) [<80abe680>] (drm_ioctl) from [<805680b4>] (__do_sys_ioctl fs/ioctl.c:905 [inline]) [<80abe680>] (drm_ioctl) from [<805680b4>] (sys_ioctl+0x130/0xdc8 fs/ioctl.c:893) r10:84b80000 r9:85018c00 r8:00000004 r7:20000300 r6:85018c01 r5:00000000 r4:c00c642e [<80567f84>] (sys_ioctl) from [<80200060>] (ret_fast_syscall+0x0/0x1c arch/arm/mm/proc-v7.S:67) Exception stack(0xdf9edfa8 to 0xdf9edff0) dfa0: 00000000 00000000 00000004 c00c642e 20000300 00000000 dfc0: 00000000 00000000 002e6300 00000036 002d0000 00000000 00006364 76bcd0bc dfe0: 76bccec0 76bcceb0 0001939c 00131f30 r10:00000036 r9:84b80000 r8:8020029c r7:00000036 r6:002e6300 r5:00000000 r4:00000000 Rebooting in 86400 seconds..