"syz-executor.0" (2374) uses obsolete ecb(arc4) skcipher ================================================================== BUG: KASAN: slab-out-of-bounds in arc4_crypt+0x2a1/0x4e0 lib/crypto/arc4.c:46 Read of size 4 at addr ffff88817a8a6ee0 by task syz-executor.0/2374 CPU: 1 PID: 2374 Comm: syz-executor.0 Not tainted 6.7.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x3d/0x60 lib/dump_stack.c:106 print_address_description mm/kasan/report.c:364 [inline] print_report+0xc4/0x620 mm/kasan/report.c:475 kasan_report+0xda/0x110 mm/kasan/report.c:588 arc4_crypt+0x2a1/0x4e0 lib/crypto/arc4.c:46 crypto_arc4_crypt+0x3e/0x50 crypto/arc4.c:37 crypto_lskcipher_crypt_sg+0x214/0x400 crypto/lskcipher.c:229 _skcipher_recvmsg crypto/algif_skcipher.c:138 [inline] skcipher_recvmsg+0x932/0xcd0 crypto/algif_skcipher.c:157 sock_recvmsg_nosec net/socket.c:1044 [inline] sock_recvmsg+0xcd/0x160 net/socket.c:1066 ____sys_recvmsg+0x1b6/0x5d0 net/socket.c:2803 ___sys_recvmsg+0xe3/0x150 net/socket.c:2845 __sys_recvmsg+0xe3/0x180 net/socket.c:2875 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x40/0x110 arch/x86/entry/common.c:82 entry_SYSCALL_64_after_hwframe+0x63/0x6b RIP: 0033:0x7fd9b767cba9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fd9b83a80c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002f RAX: ffffffffffffffda RBX: 00007fd9b779bf80 RCX: 00007fd9b767cba9 RDX: 0000000000000000 RSI: 00000000200005c0 RDI: 0000000000000004 RBP: 00007fd9b76c847a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000006 R14: 00007fd9b779bf80 R15: 00007fff914525e8 Allocated by task 78: kasan_save_stack+0x33/0x50 mm/kasan/common.c:45 kasan_set_track+0x25/0x30 mm/kasan/common.c:52 ____kasan_kmalloc mm/kasan/common.c:374 [inline] __kasan_kmalloc+0xa2/0xb0 mm/kasan/common.c:383 kasan_kmalloc include/linux/kasan.h:198 [inline] __do_kmalloc_node mm/slab_common.c:1007 [inline] __kmalloc+0x60/0x160 mm/slab_common.c:1020 kmalloc include/linux/slab.h:604 [inline] kzalloc include/linux/slab.h:721 [inline] acpi_os_allocate_zeroed include/acpi/platform/aclinuxex.h:57 [inline] acpi_ns_get_normalized_pathname+0x45/0x90 drivers/acpi/acpica/nsnames.c:306 acpi_ns_evaluate+0x1ab/0xbb0 drivers/acpi/acpica/nseval.c:96 acpi_evaluate_object+0x311/0x8d0 drivers/acpi/acpica/nsxfeval.c:354 acpi_evaluate_integer+0xc8/0x1b0 drivers/acpi/utils.c:260 acpi_bus_get_status_handle drivers/acpi/bus.c:82 [inline] acpi_bus_get_status+0x154/0x2b0 drivers/acpi/bus.c:111 acpi_bus_attach+0xc4/0xa10 drivers/acpi/scan.c:2189 device_for_each_child+0xe9/0x150 drivers/base/core.c:3954 acpi_dev_for_each_child+0x76/0xa0 drivers/acpi/bus.c:1112 acpi_bus_attach+0x762/0xa10 drivers/acpi/scan.c:2231 device_for_each_child+0xe9/0x150 drivers/base/core.c:3954 acpi_dev_for_each_child+0x76/0xa0 drivers/acpi/bus.c:1112 acpi_bus_attach+0x762/0xa10 drivers/acpi/scan.c:2231 device_for_each_child+0xe9/0x150 drivers/base/core.c:3954 acpi_dev_for_each_child+0x76/0xa0 drivers/acpi/bus.c:1112 acpi_bus_attach+0x762/0xa10 drivers/acpi/scan.c:2231 device_for_each_child+0xe9/0x150 drivers/base/core.c:3954 acpi_dev_for_each_child+0x76/0xa0 drivers/acpi/bus.c:1112 acpi_bus_attach+0x762/0xa10 drivers/acpi/scan.c:2231 acpi_bus_scan+0xad/0x400 drivers/acpi/scan.c:2497 acpi_scan_init+0x1ea/0x630 drivers/acpi/scan.c:2656 acpi_init+0x37b/0x870 drivers/acpi/bus.c:1417 do_one_initcall+0xcf/0x3c0 init/main.c:1236 do_initcall_level init/main.c:1298 [inline] do_initcalls init/main.c:1314 [inline] do_basic_setup init/main.c:1333 [inline] kernel_init_freeable+0x509/0x850 init/main.c:1551 kernel_init+0x1a/0x1c0 init/main.c:1441 ret_from_fork+0x2c/0x70 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242 Last potentially related work creation: kasan_save_stack+0x33/0x50 mm/kasan/common.c:45 kasan_set_track+0x25/0x30 mm/kasan/common.c:52 kasan_save_free_info+0x2b/0x40 mm/kasan/generic.c:522 ____kasan_slab_free mm/kasan/common.c:236 [inline] ____kasan_slab_free+0x15b/0x1b0 mm/kasan/common.c:200 kasan_slab_free include/linux/kasan.h:164 [inline] slab_free_hook mm/slub.c:1800 [inline] slab_free_freelist_hook+0x114/0x1e0 mm/slub.c:1826 slab_free mm/slub.c:3809 [inline] kmem_cache_free+0xe9/0x450 mm/slub.c:3831 kernfs_put fs/kernfs/dir.c:569 [inline] kernfs_put+0x1f4/0x330 fs/kernfs/dir.c:538 kernfs_remove_by_name_ns+0xe3/0x130 fs/kernfs/dir.c:1674 bus_remove_driver+0xe3/0x290 drivers/base/bus.c:733 pci_unregister_driver+0x25/0x260 drivers/pci/pci-driver.c:1471 agp_amd64_init+0xdc/0x130 drivers/char/agp/amd64-agp.c:765 do_one_initcall+0xcf/0x3c0 init/main.c:1236 do_initcall_level init/main.c:1298 [inline] do_initcalls init/main.c:1314 [inline] do_basic_setup init/main.c:1333 [inline] kernel_init_freeable+0x509/0x850 init/main.c:1551 kernel_init+0x1a/0x1c0 init/main.c:1441 ret_from_fork+0x2c/0x70 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242 Second to last potentially related work creation: kasan_save_stack+0x33/0x50 mm/kasan/common.c:45 kasan_set_track+0x25/0x30 mm/kasan/common.c:52 kasan_save_free_info+0x2b/0x40 mm/kasan/generic.c:522 ____kasan_slab_free mm/kasan/common.c:236 [inline] ____kasan_slab_free+0x15b/0x1b0 mm/kasan/common.c:200 kasan_slab_free include/linux/kasan.h:164 [inline] slab_free_hook mm/slub.c:1800 [inline] slab_free_freelist_hook+0x114/0x1e0 mm/slub.c:1826 slab_free mm/slub.c:3809 [inline] kmem_cache_free+0xe9/0x450 mm/slub.c:3831 acpi_os_release_object+0x9/0x10 drivers/acpi/osl.c:1621 acpi_ps_delete_parse_tree+0x72/0xb0 drivers/acpi/acpica/pswalk.c:88 acpi_ps_complete_this_op+0x5a0/0x9d0 drivers/acpi/acpica/psparse.c:277 acpi_ps_complete_op+0x8e/0xa60 drivers/acpi/acpica/psobject.c:451 acpi_ps_parse_loop+0x44a/0x1b10 drivers/acpi/acpica/psloop.c:552 acpi_ps_parse_aml+0x195/0xa00 drivers/acpi/acpica/psparse.c:475 acpi_ps_execute_method+0x4b9/0xa10 drivers/acpi/acpica/psxface.c:190 acpi_ns_evaluate+0x670/0xbb0 drivers/acpi/acpica/nseval.c:205 acpi_ut_evaluate_object+0xbc/0x410 drivers/acpi/acpica/uteval.c:60 acpi_rs_get_method_data+0x72/0xd0 drivers/acpi/acpica/rsutils.c:650 acpi_walk_resources+0xf7/0x170 drivers/acpi/acpica/rsxface.c:616 acpi_pci_link_get_current+0x18d/0x360 drivers/acpi/pci_link.c:256 acpi_pci_link_set+0x4f7/0x980 drivers/acpi/pci_link.c:362 acpi_pci_link_allocate drivers/acpi/pci_link.c:584 [inline] acpi_pci_link_allocate_irq+0x259/0xa90 drivers/acpi/pci_link.c:630 acpi_pci_irq_enable+0x213/0x5f0 drivers/acpi/pci_irq.c:426 do_pci_enable_device+0x178/0x290 drivers/pci/pci.c:1955 pci_enable_device_flags+0x1bc/0x2a0 drivers/pci/pci.c:2040 virtio_pci_probe+0x177/0x2d0 drivers/virtio/virtio_pci_common.c:539 local_pci_probe+0xcf/0x170 drivers/pci/pci-driver.c:324 pci_call_probe drivers/pci/pci-driver.c:392 [inline] __pci_device_probe drivers/pci/pci-driver.c:417 [inline] pci_device_probe+0x22c/0x690 drivers/pci/pci-driver.c:460 call_driver_probe drivers/base/dd.c:579 [inline] really_probe+0x1bf/0xb20 drivers/base/dd.c:658 __driver_probe_device+0x187/0x440 drivers/base/dd.c:800 driver_probe_device+0x45/0x110 drivers/base/dd.c:830 __driver_attach+0x1d1/0x490 drivers/base/dd.c:1216 bus_for_each_dev+0x101/0x180 drivers/base/bus.c:368 bus_add_driver+0x298/0x570 drivers/base/bus.c:673 driver_register+0x12f/0x450 drivers/base/driver.c:246 do_one_initcall+0xcf/0x3c0 init/main.c:1236 do_initcall_level init/main.c:1298 [inline] do_initcalls init/main.c:1314 [inline] do_basic_setup init/main.c:1333 [inline] kernel_init_freeable+0x509/0x850 init/main.c:1551 kernel_init+0x1a/0x1c0 init/main.c:1441 ret_from_fork+0x2c/0x70 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242 The buggy address belongs to the object at ffff88817a8a6800 which belongs to the cache kmalloc-1k of size 1024 The buggy address is located 1024 bytes to the right of allocated 736-byte region [ffff88817a8a6800, ffff88817a8a6ae0) The buggy address belongs to the physical page: page:ffffea0005ea2800 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x17a8a0 head:ffffea0005ea2800 order:3 entire_mapcount:0 nr_pages_mapped:0 pincount:0 anon flags: 0x100000000000840(slab|head|node=0|zone=2) page_type: 0xffffffff() raw: 0100000000000840 ffff888100041dc0 0000000000000000 dead000000000001 raw: 0000000000000000 0000000080100010 00000001ffffffff 0000000000000000 page dumped because: kasan: bad access detected page_owner tracks the page as allocated page last allocated via order 3, migratetype Unmovable, gfp_mask 0xd2040(__GFP_IO|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 1337, tgid 1337 (start-stop-daem), ts 6218472491, free_ts 5663739182 set_page_owner include/linux/page_owner.h:31 [inline] post_alloc_hook+0x27f/0x2f0 mm/page_alloc.c:1537 prep_new_page mm/page_alloc.c:1544 [inline] get_page_from_freelist+0x653/0x40c0 mm/page_alloc.c:3312 __alloc_pages+0x1d0/0x470 mm/page_alloc.c:4568 alloc_pages_mpol+0x175/0x4a0 mm/mempolicy.c:2133 alloc_slab_page mm/slub.c:1870 [inline] allocate_slab+0x24b/0x360 mm/slub.c:2017 new_slab mm/slub.c:2070 [inline] ___slab_alloc+0x8ce/0x10e0 mm/slub.c:3223 __slab_alloc.constprop.0+0x4d/0x90 mm/slub.c:3322 __slab_alloc_node mm/slub.c:3375 [inline] slab_alloc_node mm/slub.c:3468 [inline] __kmem_cache_alloc_node+0x150/0x350 mm/slub.c:3517 __do_kmalloc_node mm/slab_common.c:1006 [inline] __kmalloc+0x4f/0x160 mm/slab_common.c:1020 kmalloc include/linux/slab.h:604 [inline] kzalloc include/linux/slab.h:721 [inline] tomoyo_init_log+0x11bb/0x1ee0 security/tomoyo/audit.c:275 tomoyo_supervisor+0x2a7/0xc40 security/tomoyo/common.c:2089 tomoyo_audit_env_log security/tomoyo/environ.c:36 [inline] tomoyo_env_perm+0x16c/0x1d0 security/tomoyo/environ.c:63 tomoyo_environ security/tomoyo/domain.c:672 [inline] tomoyo_find_next_domain+0xaf6/0x1db0 security/tomoyo/domain.c:878 tomoyo_bprm_check_security security/tomoyo/tomoyo.c:101 [inline] tomoyo_bprm_check_security+0x109/0x170 security/tomoyo/tomoyo.c:91 security_bprm_check+0x4f/0x70 security/security.c:1103 search_binary_handler fs/exec.c:1725 [inline] exec_binprm fs/exec.c:1779 [inline] bprm_execve fs/exec.c:1854 [inline] bprm_execve+0x5e4/0x14d0 fs/exec.c:1810 page last free stack trace: reset_page_owner include/linux/page_owner.h:24 [inline] free_pages_prepare mm/page_alloc.c:1137 [inline] free_unref_page_prepare+0x562/0xbd0 mm/page_alloc.c:2347 free_unref_page+0x33/0x350 mm/page_alloc.c:2487 free_contig_range+0xa1/0x150 mm/page_alloc.c:6536 destroy_args+0x7cb/0xa40 mm/debug_vm_pgtable.c:1028 debug_vm_pgtable+0x19d8/0x2a80 mm/debug_vm_pgtable.c:1408 do_one_initcall+0xcf/0x3c0 init/main.c:1236 do_initcall_level init/main.c:1298 [inline] do_initcalls init/main.c:1314 [inline] do_basic_setup init/main.c:1333 [inline] kernel_init_freeable+0x509/0x850 init/main.c:1551 kernel_init+0x1a/0x1c0 init/main.c:1441 ret_from_fork+0x2c/0x70 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242 Memory state around the buggy address: ffff88817a8a6d80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff88817a8a6e00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc >ffff88817a8a6e80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ^ ffff88817a8a6f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff88817a8a6f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ==================================================================