Hello, syzbot found the following issue on: HEAD commit: fe46a7dd189e Merge tag 'sound-6.9-rc1' of git://git.kernel.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=17934ffa180000 kernel config: https://syzkaller.appspot.com/x/.config?x=fe78468a74fdc3b7 dashboard link: https://syzkaller.appspot.com/bug?extid=1c04a1e4ae355870dc7a compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=111b2e86180000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=13e86649180000 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/0f7abe4afac7/disk-fe46a7dd.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/82598d09246c/vmlinux-fe46a7dd.xz kernel image: https://storage.googleapis.com/syzbot-assets/efa23788c875/bzImage-fe46a7dd.xz The issue was bisected to: commit 997acaf6b4b59c6a9c259740312a69ea549cc684 Author: Mark Rutland <mark.rutland@xxxxxxx> Date: Mon Jan 11 15:37:07 2021 +0000 lockdep: report broken irq restoration bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=133d8711180000 final oops: https://syzkaller.appspot.com/x/report.txt?x=10bd8711180000 console output: https://syzkaller.appspot.com/x/log.txt?x=173d8711180000 IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+1c04a1e4ae355870dc7a@xxxxxxxxxxxxxxxxxxxxxxxxx Fixes: 997acaf6b4b5 ("lockdep: report broken irq restoration") ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5069 at kernel/softirq.c:362 __local_bh_enable_ip+0x1be/0x200 kernel/softirq.c:362 Modules linked in: CPU: 0 PID: 5069 Comm: syz-executor295 Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 RIP: 0010:__local_bh_enable_ip+0x1be/0x200 kernel/softirq.c:362 Code: 3b 44 24 60 75 52 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d e9 b3 da 25 0a 90 0f 0b 90 e9 ca fe ff ff e8 55 00 00 00 eb 9c 90 <0f> 0b 90 e9 fa fe ff ff 48 c7 c1 9c 6d 87 8f 80 e1 07 80 c1 03 38 RSP: 0018:ffffc9000415f5a0 EFLAGS: 00010046 RAX: 0000000000000000 RBX: 1ffff9200082beb8 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000201 RDI: ffffffff89642276 RBP: ffffc9000415f660 R08: ffff88807869900b R09: 1ffff1100f0d3201 R10: dffffc0000000000 R11: ffffed100f0d3202 R12: dffffc0000000000 R13: 0000000000000004 R14: ffffc9000415f5e0 R15: 0000000000000201 FS: 000055556fdeb3c0(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f2728b8a9f0 CR3: 000000002d9ee000 CR4: 0000000000350ef0 Call Trace: <TASK> spin_unlock_bh include/linux/spinlock.h:396 [inline] sock_hash_delete_elem+0x1a6/0x300 net/core/sock_map.c:947 bpf_prog_2c29ac5cdc6b1842+0x42/0x4a bpf_dispatcher_nop_func include/linux/bpf.h:1234 [inline] __bpf_prog_run include/linux/filter.h:657 [inline] bpf_prog_run include/linux/filter.h:664 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:2381 [inline] bpf_trace_run2+0x206/0x420 kernel/trace/bpf_trace.c:2420 __traceiter_kfree+0x2d/0x50 include/trace/events/kmem.h:94 trace_kfree include/trace/events/kmem.h:94 [inline] kfree+0x291/0x380 mm/slub.c:4377 put_css_set_locked+0x6e4/0x940 kernel/cgroup/cgroup.c:951 cgroup_migrate_finish+0x1bb/0x380 kernel/cgroup/cgroup.c:2691 cgroup_attach_task+0x7ef/0xac0 kernel/cgroup/cgroup.c:2890 __cgroup1_procs_write+0x2e4/0x430 kernel/cgroup/cgroup-v1.c:522 cgroup_file_write+0x2d0/0x6d0 kernel/cgroup/cgroup.c:4092 kernfs_fop_write_iter+0x3a6/0x500 fs/kernfs/file.c:334 call_write_iter include/linux/fs.h:2108 [inline] new_sync_write fs/read_write.c:497 [inline] vfs_write+0xa86/0xcb0 fs/read_write.c:590 ksys_write+0x1a0/0x2c0 fs/read_write.c:643 do_syscall_64+0xfd/0x240 entry_SYSCALL_64_after_hwframe+0x6d/0x75 RIP: 0033:0x7f2728bca840 Code: 40 00 48 c7 c2 b0 ff ff ff f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d 61 a8 08 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 RSP: 002b:00007ffeba5eea08 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f2728bca840 RDX: 0000000000000001 RSI: 00007ffeba5eea30 RDI: 0000000000000003 RBP: 0000000000000001 R08: 0000000000000001 R09: 00007ffeba5ee837 R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffeba5eea30 R13: 00007ffeba5eef70 R14: 0000000000000001 R15: 00007ffeba5eefb0 </TASK> --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@xxxxxxxxxxxxxxxx. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. For information about bisection process see: https://goo.gl/tpsmEJ#bisection If the report is already addressed, let syzbot know by replying with: #syz fix: exact-commit-title If you want syzbot to run the reproducer, reply with: #syz test: git://repo/address.git branch-or-commit-hash If you attach or paste a git patch, syzbot will apply it before testing. If you want to overwrite report's subsystems, reply with: #syz set subsystems: new-subsystem (See the list of subsystem names on the web dashboard) If the report is a duplicate of another one, reply with: #syz dup: exact-subject-of-another-report If you want to undo deduplication, reply with: #syz undup
