R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 00007ffdbbac5d9f R14: 00007fcfea9eb300 R15: 0000000000022000 hpet: Lost 1 RTC interrupts ------------[ cut here ]------------ WARNING: CPU: 0 PID: 9560 at kernel/cgroup/cgroup.c:1395 cset_cgroup_from_root+0x1a8/0x2a0 kernel/cgroup/cgroup.c:1395 Modules linked in: CPU: 0 PID: 9560 Comm: syz-executor.5 Not tainted 5.10.226 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:cset_cgroup_from_root+0x1a8/0x2a0 kernel/cgroup/cgroup.c:1395 Code: 50 08 00 be ff ff ff ff 48 c7 c7 08 3a 02 85 e8 6e 9e ad 02 31 ff 41 89 c4 89 c6 e8 d2 49 08 00 45 85 e4 75 07 e8 78 50 08 00 <0f> 0b e8 71 50 08 00 48 89 ea 83 e5 07 48 b8 00 00 00 00 00 fc ff RSP: 0018:ffff8880496df9b8 EFLAGS: 00010016 RAX: 0000000000000973 RBX: ffff88800e112400 RCX: ffffc90004803000 RDX: 0000000000040000 RSI: ffffffff81384ec8 RDI: 0000000000000005 RBP: ffffffff85676efc R08: 0000000000000000 R09: 0000000000000003 R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 R13: ffff888016d0c000 R14: ffff88804715d000 R15: 0000000000000000 FS: 00007fe8a0dc9700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2d521000 CR3: 000000000dde6000 CR4: 0000000000350ef0 Call Trace: cgroup_path_ns_locked+0x6c/0x110 kernel/cgroup/cgroup.c:2261 proc_cpuset_show+0x19a/0x510 kernel/cgroup/cpuset.c:3732 proc_single_show+0x121/0x1f0 fs/proc/base.c:775 seq_read_iter+0x510/0x12b0 fs/seq_file.c:230 seq_read+0x3dd/0x5b0 fs/seq_file.c:162 do_loop_readv_writev fs/read_write.c:761 [inline] do_loop_readv_writev fs/read_write.c:748 [inline] do_iter_read+0x4fa/0x760 fs/read_write.c:803 vfs_readv+0xe5/0x160 fs/read_write.c:921 do_readv+0x139/0x300 fs/read_write.c:958 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x67/0xd1 RIP: 0033:0x7fe8a3874b19 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fe8a0dc9188 EFLAGS: 00000246 ORIG_RAX: 0000000000000013 RAX: ffffffffffffffda RBX: 00007fe8a3988020 RCX: 00007fe8a3874b19 RDX: 0000000000000001 RSI: 0000000020000280 RDI: 0000000000000003 RBP: 00007fe8a38cef6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fffce69b6cf R14: 00007fe8a0dc9300 R15: 0000000000022000 irq event stamp: 172 hardirqs last enabled at (171): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline] hardirqs last enabled at (171): [] _raw_spin_unlock_irqrestore+0x38/0x40 kernel/locking/spinlock.c:191 hardirqs last disabled at (172): [] __raw_spin_lock_irq include/linux/spinlock_api_smp.h:126 [inline] hardirqs last disabled at (172): [] _raw_spin_lock_irq+0x3e/0x40 kernel/locking/spinlock.c:167 softirqs last enabled at (0): [] copy_process+0x16ed/0x7800 kernel/fork.c:2075 softirqs last disabled at (0): [<0000000000000000>] 0x0 ---[ end trace b71f66cdb430dee5 ]--- FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 9576 Comm: syz-executor.6 Tainted: G W 5.10.226 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x107/0x167 lib/dump_stack.c:118 fail_dump lib/fault-inject.c:52 [inline] should_fail.cold+0x5/0xa lib/fault-inject.c:146 copyin lib/iov_iter.c:155 [inline] iov_iter_copy_from_user_atomic+0x49b/0xdb0 lib/iov_iter.c:998 generic_perform_write+0x279/0x4f0 mm/filemap.c:3344 ext4_buffered_write_iter+0x232/0x4a0 fs/ext4/file.c:269 ext4_dio_write_iter fs/ext4/file.c:590 [inline] ext4_file_write_iter+0xc11/0x18d0 fs/ext4/file.c:681 call_write_iter include/linux/fs.h:2002 [inline] new_sync_write+0x42c/0x660 fs/read_write.c:518 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 vfs_write+0x7c0/0xb10 fs/read_write.c:605 ksys_write+0x12d/0x260 fs/read_write.c:658 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x67/0xd1 RIP: 0033:0x7fdfa7b6fb19 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fdfa50e5188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007fdfa7c82f60 RCX: 00007fdfa7b6fb19 RDX: 000000000000fdef RSI: 00000000200001c0 RDI: 0000000000000003 RBP: 00007fdfa50e51d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 00007ffe1f2bcb1f R14: 00007fdfa50e5300 R15: 0000000000022000 CPU: 1 PID: 9580 Comm: syz-executor.4 Tainted: G W 5.10.226 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x107/0x167 lib/dump_stack.c:118 fail_dump lib/fault-inject.c:52 [inline] should_fail.cold+0x5/0xa lib/fault-inject.c:146 should_failslab+0x5/0x20 mm/slab_common.c:1193 slab_pre_alloc_hook mm/slab.h:515 [inline] slab_alloc_node mm/slub.c:2821 [inline] slab_alloc mm/slub.c:2904 [inline] kmem_cache_alloc+0x5b/0x310 mm/slub.c:2909 mem_pool_alloc mm/kmemleak.c:423 [inline] create_object.isra.0+0x3a/0xa20 mm/kmemleak.c:578 kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] slab_post_alloc_hook mm/slab.h:534 [inline] slab_alloc_node mm/slub.c:2896 [inline] slab_alloc mm/slub.c:2904 [inline] kmem_cache_alloc_trace+0x151/0x320 mm/slub.c:2921 kmalloc include/linux/slab.h:552 [inline] __memcg_init_list_lru_node+0x7f/0x1e0 mm/list_lru.c:339 memcg_init_list_lru_node mm/list_lru.c:362 [inline] memcg_init_list_lru mm/list_lru.c:448 [inline] __list_lru_init+0x44d/0x890 mm/list_lru.c:615 alloc_super+0x8b8/0xa90 fs/super.c:272 sget_fc+0x110/0x860 fs/super.c:542 kernfs_get_tree+0x195/0x8d0 fs/kernfs/mount.c:331 sysfs_get_tree+0x3d/0x140 fs/sysfs/mount.c:31 vfs_get_tree+0x8e/0x300 fs/super.c:1570 do_new_mount fs/namespace.c:2910 [inline] path_mount+0x1429/0x2120 fs/namespace.c:3240 do_mount fs/namespace.c:3253 [inline] __do_sys_mount fs/namespace.c:3461 [inline] __se_sys_mount fs/namespace.c:3438 [inline] __x64_sys_mount+0x282/0x300 fs/namespace.c:3438 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x67/0xd1 RIP: 0033:0x7fcfed475b19 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fcfea9eb188 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007fcfed588f60 RCX: 00007fcfed475b19 RDX: 0000000020000040 RSI: 0000000020000180 RDI: 0000000000000000 RBP: 00007fcfea9eb1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 00007ffdbbac5d9f R14: 00007fcfea9eb300 R15: 0000000000022000