Warning: Permanently added '10.128.0.252' (ECDSA) to the list of known hosts. [ 42.286193][ T4052] cgroup: Unknown subsys name 'net' [ 42.529221][ T4052] cgroup: Unknown subsys name 'rlimit' executing program [ 42.799461][ T26] audit: type=1800 audit(42.770:2): pid=4054 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=set_data cause=unavailable-hash-algorithm comm="syz-executor404" name="/" dev="hugetlbfs" ino=22285 res=0 errno=0 [ 42.799907][ T4054] [ 42.804791][ T4054] ====================================================== [ 42.806297][ T4054] WARNING: possible circular locking dependency detected [ 42.807838][ T4054] 5.15.102-syzkaller #0 Not tainted [ 42.809003][ T4054] ------------------------------------------------------ [ 42.810632][ T4054] syz-executor404/4054 is trying to acquire lock: [ 42.812178][ T4054] ffff0000c2d59c78 (&sb->s_type->i_mutex_key#19){+.+.}-{3:3}, at: hugetlbfs_file_mmap+0x298/0x4c0 [ 42.814349][ T4054] [ 42.814349][ T4054] but task is already holding lock: [ 42.816197][ T4054] ffff0000d5961258 (&mm->mmap_lock){++++}-{3:3}, at: vm_mmap_pgoff+0x15c/0x2b4 [ 42.818214][ T4054] [ 42.818214][ T4054] which lock already depends on the new lock. [ 42.818214][ T4054] [ 42.820603][ T4054] [ 42.820603][ T4054] the existing dependency chain (in reverse order) is: [ 42.822719][ T4054] [ 42.822719][ T4054] -> #3 (&mm->mmap_lock){++++}-{3:3}: [ 42.824697][ T4054] down_write+0x110/0x260 [ 42.825683][ T4054] mpol_rebind_mm+0x40/0x298 [ 42.826920][ T4054] cpuset_attach+0x370/0x4c8 [ 42.828123][ T4054] cgroup_migrate_execute+0x6f8/0xda8 [ 42.829473][ T4054] cgroup_migrate+0x1c8/0x1e0 [ 42.830619][ T4054] cgroup_attach_task+0x540/0xac4 [ 42.831909][ T4054] __cgroup1_procs_write+0x308/0x41c [ 42.833250][ T4054] cgroup1_procs_write+0x38/0x4c [ 42.834582][ T4054] cgroup_file_write+0x258/0x5ac [ 42.835941][ T4054] kernfs_fop_write_iter+0x334/0x48c [ 42.837292][ T4054] vfs_write+0x87c/0xb3c [ 42.838481][ T4054] ksys_write+0x15c/0x26c [ 42.839610][ T4054] __arm64_sys_write+0x7c/0x90 [ 42.840836][ T4054] invoke_syscall+0x98/0x2b8 [ 42.841987][ T4054] el0_svc_common+0x138/0x258 [ 42.843150][ T4054] do_el0_svc+0x58/0x14c [ 42.844150][ T4054] el0_svc+0x7c/0x1f0 [ 42.845135][ T4054] el0t_64_sync_handler+0x84/0xe4 [ 42.846401][ T4054] el0t_64_sync+0x1a0/0x1a4 [ 42.847475][ T4054] [ 42.847475][ T4054] -> #2 (&cpuset_rwsem){++++}-{0:0}: [ 42.849210][ T4054] cpuset_read_lock+0xe4/0x368 [ 42.850362][ T4054] __sched_setscheduler+0x4b8/0x1680 [ 42.851712][ T4054] sched_setscheduler_nocheck+0x14c/0x258 [ 42.853125][ T4054] __kthread_create_on_node+0x2f8/0x3d0 [ 42.854494][ T4054] kthread_create_on_node+0xf0/0x140 [ 42.855669][ T4054] cryptomgr_notify+0x110/0xb48 [ 42.856835][ T4054] blocking_notifier_call_chain+0xf0/0x198 [ 42.858249][ T4054] crypto_probing_notify+0x34/0x94 [ 42.859575][ T4054] crypto_register_alg+0x24c/0x3a8 [ 42.860832][ T4054] crypto_register_kpp+0x70/0xa8 [ 42.862102][ T4054] dh_init+0x1c/0x28 [ 42.863138][ T4054] do_one_initcall+0x2e4/0xc68 [ 42.864179][ T4054] do_initcall_level+0x154/0x214 [ 42.865434][ T4054] do_initcalls+0x58/0xac [ 42.866570][ T4054] do_basic_setup+0x8c/0xa0 [ 42.867750][ T4054] kernel_init_freeable+0x470/0x650 [ 42.868984][ T4054] kernel_init+0x24/0x294 [ 42.870093][ T4054] ret_from_fork+0x10/0x20 [ 42.871144][ T4054] [ 42.871144][ T4054] -> #1 ((crypto_chain).rwsem){++++}-{3:3}: [ 42.872918][ T4054] down_read+0xbc/0x11c [ 42.873863][ T4054] blocking_notifier_call_chain+0x60/0x198 [ 42.875182][ T4054] crypto_alg_mod_lookup+0x290/0x63c [ 42.876533][ T4054] crypto_has_alg+0x38/0x168 [ 42.877636][ T4054] ima_inode_setxattr+0x60c/0x798 [ 42.878894][ T4054] security_inode_setxattr+0x188/0x200 [ 42.880180][ T4054] __vfs_setxattr_locked+0xb4/0x218 [ 42.881449][ T4054] vfs_setxattr+0x1a8/0x344 [ 42.882543][ T4054] setxattr+0x250/0x2b4 [ 42.883636][ T4054] __arm64_sys_fsetxattr+0x1a8/0x224 [ 42.885108][ T4054] invoke_syscall+0x98/0x2b8 [ 42.886412][ T4054] el0_svc_common+0x138/0x258 [ 42.887610][ T4054] do_el0_svc+0x58/0x14c [ 42.888659][ T4054] el0_svc+0x7c/0x1f0 [ 42.889695][ T4054] el0t_64_sync_handler+0x84/0xe4 [ 42.890937][ T4054] el0t_64_sync+0x1a0/0x1a4 [ 42.892072][ T4054] [ 42.892072][ T4054] -> #0 (&sb->s_type->i_mutex_key#19){+.+.}-{3:3}: [ 42.894107][ T4054] __lock_acquire+0x32cc/0x7620 [ 42.895382][ T4054] lock_acquire+0x2c0/0x89c [ 42.896462][ T4054] down_write+0x110/0x260 [ 42.897531][ T4054] hugetlbfs_file_mmap+0x298/0x4c0 [ 42.898753][ T4054] mmap_region+0xcb4/0x12f0 [ 42.900006][ T4054] do_mmap+0x6c0/0xcec [ 42.901034][ T4054] vm_mmap_pgoff+0x1a4/0x2b4 [ 42.902269][ T4054] ksys_mmap_pgoff+0x4c8/0x668 [ 42.903375][ T4054] __arm64_sys_mmap+0xf8/0x110 [ 42.904467][ T4054] invoke_syscall+0x98/0x2b8 [ 42.905609][ T4054] el0_svc_common+0x138/0x258 [ 42.906907][ T4054] do_el0_svc+0x58/0x14c [ 42.908036][ T4054] el0_svc+0x7c/0x1f0 [ 42.909095][ T4054] el0t_64_sync_handler+0x84/0xe4 [ 42.910460][ T4054] el0t_64_sync+0x1a0/0x1a4 [ 42.911699][ T4054] [ 42.911699][ T4054] other info that might help us debug this: [ 42.911699][ T4054] [ 42.913933][ T4054] Chain exists of: [ 42.913933][ T4054] &sb->s_type->i_mutex_key#19 --> &cpuset_rwsem --> &mm->mmap_lock [ 42.913933][ T4054] [ 42.917017][ T4054] Possible unsafe locking scenario: [ 42.917017][ T4054] [ 42.918682][ T4054] CPU0 CPU1 [ 42.919929][ T4054] ---- ---- [ 42.921176][ T4054] lock(&mm->mmap_lock); [ 42.922251][ T4054] lock(&cpuset_rwsem); [ 42.923972][ T4054] lock(&mm->mmap_lock); [ 42.925486][ T4054] lock(&sb->s_type->i_mutex_key#19); [ 42.926672][ T4054] [ 42.926672][ T4054] *** DEADLOCK *** [ 42.926672][ T4054] [ 42.928492][ T4054] 1 lock held by syz-executor404/4054: [ 42.929763][ T4054] #0: ffff0000d5961258 (&mm->mmap_lock){++++}-{3:3}, at: vm_mmap_pgoff+0x15c/0x2b4 [ 42.931956][ T4054] [ 42.931956][ T4054] stack backtrace: [ 42.933254][ T4054] CPU: 1 PID: 4054 Comm: syz-executor404 Not tainted 5.15.102-syzkaller #0 [ 42.935267][ T4054] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 [ 42.937562][ T4054] Call trace: [ 42.938262][ T4054] dump_backtrace+0x0/0x530 [ 42.939261][ T4054] show_stack+0x2c/0x3c [ 42.940192][ T4054] dump_stack_lvl+0x108/0x170 [ 42.941247][ T4054] dump_stack+0x1c/0x58 [ 42.942290][ T4054] print_circular_bug+0x150/0x1b8 [ 42.943503][ T4054] check_noncircular+0x2cc/0x378 [ 42.944532][ T4054] __lock_acquire+0x32cc/0x7620 [ 42.945683][ T4054] lock_acquire+0x2c0/0x89c [ 42.946710][ T4054] down_write+0x110/0x260 [ 42.947703][ T4054] hugetlbfs_file_mmap+0x298/0x4c0 [ 42.948850][ T4054] mmap_region+0xcb4/0x12f0 [ 42.949929][ T4054] do_mmap+0x6c0/0xcec [ 42.950873][ T4054] vm_mmap_pgoff+0x1a4/0x2b4 [ 42.951917][ T4054] ksys_mmap_pgoff+0x4c8/0x668 [ 42.952938][ T4054] __arm64_sys_mmap+0xf8/0x110 [ 42.954002][ T4054] invoke_syscall+0x98/0x2b8 [ 42.955092][ T4054] el0_svc_common+0x138/0x258 [ 42.956137][ T4054] do_el0_svc+0x58/0x14c [ 42.957097][ T4054] el0_svc+0x7c/0x1f0 [ 42.957968][ T4054] el0t_64_sync_handler+0x84/0xe4 [ 42.959124][ T4054] el0t_64_sync+0x1a0/0x1a4 executing program [ 43.001387][ T26] audit: type=1800 audit(42.970:3): pid=4058 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=set_data cause=unavailable-hash-algorithm comm="syz-executor404" name="/" dev="hugetlbfs" ino=22289 res=0 errno=0 executing program [ 43.043031][ T26] audit: type=1800 audit(43.010:4): pid=4062 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=set_data cause=unavailable-hash-algorithm comm="syz-executor404" name="/" dev="hugetlbfs" ino=22292 res=0 errno=0 executing program [ 43.084698][ T26] audit: type=1800 audit(43.050:5): pid=4066 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=set_data cause=unavailable-hash-algorithm comm="syz-executor404" name="/" dev="hugetlbfs" ino=24591 res=0 errno=0 executing program [ 43.127638][ T26] audit: type=1800 audit(43.100:6): pid=4070 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=set_data cause=unavailable-hash-algorithm comm="syz-executor404" name="/" dev="hugetlbfs" ino=22296 res=0 errno=0 executing program [ 43.170062][ T26] audit: type=1800 audit(43.140:7): pid=4074 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=set_data cause=unavailable-hash-algorithm comm="syz-executor404" name="/" dev="hugetlbfs" ino=22300 res=0 errno=0 executing program [ 43.212457][ T26] audit: type=1800 audit(43.180:8): pid=4078 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=set_data cause=unavailable-hash-algorithm comm="syz-executor404" name="/" dev="hugetlbfs" ino=22303 res=0 errno=0 executing program [ 43.254750][ T26] audit: type=1800 audit(43.220:9): pid=4082 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=set_data cause=unavailable-hash-algorithm comm="syz-executor404" name="/" dev="hugetlbfs" ino=24596 res=0 errno=0 executing program [ 43.299017][ T26] audit: type=1800 audit(43.270:10): pid=4086 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=set_data cause=unavailable-hash-algorithm comm="syz-executor404" name="/" dev="hugetlbfs" ino=22307 res=0 errno=0 executing program [ 43.342019][ T26] audit: type=1800 audit(43.310:11): pid=4090 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=set_data cause=unavailable-hash-algorithm comm="syz-executor404" name="/" dev="hugetlbfs" ino=22310 res=0 errno=0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 47.813566][ T26] kauditd_printk_skb: 112 callbacks suppressed executing program [ 47.813581][ T26] audit: type=1800 audit(47.780:124): pid=4542 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=set_data cause=unavailable-hash-algorithm comm="syz-executor404" name="/" dev="hugetlbfs" ino=24901 res=0 errno=0 [ 47.853780][ T26] audit: type=1800 audit(47.820:125): pid=4546 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=set_data cause=unavailable-hash-algorithm comm="syz-executor404" name="/" dev="hugetlbfs" ino=24905 res=0 errno=0 executing program [ 47.896329][ T26] audit: type=1800 audit(47.870:126): pid=4550 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=set_data cause=unavailable-hash-algorithm comm="syz-executor404" name="/" dev="hugetlbfs" ino=22462 res=0 errno=0 executing program [ 47.940059][ T26] audit: type=1800 audit(47.910:127): pid=4554 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=set_data cause=unavailable-hash-algorithm comm="syz-executor404" name="/" dev="hugetlbfs" ino=22465 res=0 errno=0 executing program [ 47.982213][ T26] audit: type=1800 audit(47.950:128): pid=4558 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=set_data cause=unavailable-hash-algorithm comm="syz-executor404" name="/" dev="hugetlbfs" ino=24910 res=0 errno=0 executing program [ 48.021793][ T26] audit: type=1800 audit(47.990:129): pid=4562 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=set_data cause=unavailable-hash-algorithm comm="syz-executor404" name="/" dev="hugetlbfs" ino=24914 res=0 errno=0 executing program [ 48.063387][ T26] audit: type=1800 audit(48.030:130): pid=4566 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=set_data cause=unavailable-hash-algorithm comm="syz-executor404" name="/" dev="hugetlbfs" ino=22469 res=0 errno=0 executing program [ 48.104894][ T26] audit: type=1800 audit(48.070:131): pid=4570 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=set_data cause=unavailable-hash-algorithm comm="syz-executor404" name="/" dev="hugetlbfs" ino=24918 res=0 errno=0 executing program [ 48.147206][ T26] audit: type=1800 audit(48.120:132): pid=4574 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=set_data cause=unavailable-hash-algorithm comm="syz-executor404" name="/" dev="hugetlbfs" ino=24921 res=0 errno=0 executing program [ 48.189755][ T26] audit: type=1800 audit(48.160:133): pid=4578 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=set_data cause=unavailable-hash-algorithm comm="syz-executor404" name="/" dev="hugetlbfs" ino=22474 res=0 errno=0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program