------------[ cut here ]------------ WARNING: CPU: 1 PID: 9340 at kernel/cgroup/cgroup.c:1395 cset_cgroup_from_root+0x1a8/0x2a0 kernel/cgroup/cgroup.c:1395 Modules linked in: CPU: 1 PID: 9340 Comm: syz-executor.0 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:ffff888051bc79b8 EFLAGS: 00010012 RAX: 0000000000000a6e RBX: ffff88801adac400 RCX: ffffc90003a24000 RDX: 0000000000040000 RSI: ffffffff81384ec8 RDI: 0000000000000005 RBP: ffffffff85676efc R08: 0000000000000000 R09: 0000000000000003 R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 R13: ffff88801744c000 R14: ffff88800d66e400 R15: 0000000000000000 FS: 00007f9793f29700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f9793f28ff8 CR3: 0000000048946000 CR4: 0000000000350ee0 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: 0033:0x7f97969b3b19 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:00007f9793f29188 EFLAGS: 00000246 ORIG_RAX: 0000000000000013 RAX: ffffffffffffffda RBX: 00007f9796ac6f60 RCX: 00007f97969b3b19 RDX: 0000000000000001 RSI: 0000000020000000 RDI: 0000000000000003 RBP: 00007f9796a0df6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe59a1a3bf R14: 00007f9793f29300 R15: 0000000000022000 irq event stamp: 618 hardirqs last enabled at (617): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline] hardirqs last enabled at (617): [] _raw_spin_unlock_irqrestore+0x38/0x40 kernel/locking/spinlock.c:191 hardirqs last disabled at (618): [] __raw_spin_lock_irq include/linux/spinlock_api_smp.h:126 [inline] hardirqs last disabled at (618): [] _raw_spin_lock_irq+0x3e/0x40 kernel/locking/spinlock.c:167 softirqs last enabled at (266): [] sco_sock_recvmsg+0xfc/0x4c0 net/bluetooth/sco.c:823 softirqs last disabled at (264): [] spin_lock_bh include/linux/spinlock.h:359 [inline] softirqs last disabled at (264): [] release_sock+0x1b/0x1b0 net/core/sock.c:3109 ---[ end trace 598d4e5877852638 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 9345 at kernel/cgroup/cgroup.c:1395 cset_cgroup_from_root+0x1a8/0x2a0 kernel/cgroup/cgroup.c:1395 Modules linked in: CPU: 1 PID: 9345 Comm: syz-executor.0 Tainted: G W 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:ffff8880577079b8 EFLAGS: 00010012 RAX: 00000000000001b6 RBX: ffff88801adac400 RCX: ffffc90003c25000 RDX: 0000000000040000 RSI: ffffffff81384ec8 RDI: 0000000000000005 RBP: ffffffff85676efc R08: 0000000000000000 R09: 0000000000000003 R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 R13: ffff88801744c000 R14: ffff88800d66e400 R15: 0000000000000000 FS: 00007f9793f08700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f9793f08718 CR3: 0000000048946000 CR4: 0000000000350ee0 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: 0033:0x7f97969b3b19 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:00007f9793f08188 EFLAGS: 00000246 ORIG_RAX: 0000000000000013 RAX: ffffffffffffffda RBX: 00007f9796ac7020 RCX: 00007f97969b3b19 RDX: 0000000000000001 RSI: 0000000020000000 RDI: 0000000000000003 RBP: 00007f9796a0df6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe59a1a3bf R14: 00007f9793f08300 R15: 0000000000022000 irq event stamp: 200 hardirqs last enabled at (199): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline] hardirqs last enabled at (199): [] _raw_spin_unlock_irqrestore+0x38/0x40 kernel/locking/spinlock.c:191 hardirqs last disabled at (200): [] __raw_spin_lock_irq include/linux/spinlock_api_smp.h:126 [inline] hardirqs last disabled at (200): [] _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 598d4e5877852639 ]--- SELinux: unrecognized netlink message: protocol=6 nlmsg_type=57 sclass=netlink_xfrm_socket pid=9353 comm=syz-executor.4 SELinux: unrecognized netlink message: protocol=6 nlmsg_type=57 sclass=netlink_xfrm_socket pid=9356 comm=syz-executor.4 mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium capability: warning: `syz-executor.1' uses deprecated v2 capabilities in a way that may be insecure mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium udc-core: couldn't find an available UDC or it's busy misc raw-gadget: fail, usb_gadget_probe_driver returned -19 mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium cgroup: fork rejected by pids controller in /syz1 mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium