------------[ cut here ]------------ WARNING: CPU: 0 PID: 4699 at kernel/softirq.c:363 __local_bh_enable_ip+0x1b3/0x1f0 Modules linked in: CPU: 0 PID: 4699 Comm: syz-executor.0 Not tainted 5.15.153-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 RIP: 0010:__local_bh_enable_ip+0x1b3/0x1f0 kernel/softirq.c:363 Code: 04 25 28 00 00 00 48 3b 44 24 60 75 4a 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 0f 0b e9 d0 fe ff ff e8 3f 00 00 00 eb a2 <0f> 0b e9 02 ff ff ff 48 c7 c1 c4 c8 e3 8d 80 e1 07 80 c1 03 38 c1 RSP: 0018:ffffc90002f779e0 EFLAGS: 00010046 RAX: 0000000000000000 RBX: 1ffff920005eef40 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000201 RDI: ffffffff884eb75b RBP: ffffc90002f77a98 R08: dffffc0000000000 R09: ffffed100bc1b3b6 R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: ffff888019b2c680 R14: ffffc90002f77a20 R15: 0000000000000201 FS: 0000555556672480(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ff3dabb4690 CR3: 0000000019dc6000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __sock_map_delete net/core/sock_map.c:426 [inline] sock_map_delete_elem+0xcb/0x130 net/core/sock_map.c:448 bpf_prog_d284ea97e99fac5b+0x3f/0x128 bpf_dispatcher_nop_func include/linux/bpf.h:785 [inline] __bpf_prog_run include/linux/filter.h:628 [inline] bpf_prog_run include/linux/filter.h:635 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:1880 [inline] bpf_trace_run2+0x19e/0x340 kernel/trace/bpf_trace.c:1917 __bpf_trace_kfree+0x6e/0x90 include/trace/events/kmem.h:118 trace_kfree include/trace/events/kmem.h:118 [inline] kfree+0x22f/0x270 mm/slub.c:4549 gsm_free_mux drivers/tty/n_gsm.c:2480 [inline] gsm_free_muxr drivers/tty/n_gsm.c:2494 [inline] kref_put include/linux/kref.h:65 [inline] mux_put+0x11f/0x180 drivers/tty/n_gsm.c:2511 tty_ldisc_kill+0xa6/0x1a0 drivers/tty/tty_ldisc.c:629 tty_ldisc_release+0x170/0x200 drivers/tty/tty_ldisc.c:803 tty_release_struct+0x27/0xd0 drivers/tty/tty_io.c:1708 tty_release+0xd53/0x1310 drivers/tty/tty_io.c:1880 __fput+0x3bf/0x890 fs/file_table.c:280 task_work_run+0x129/0x1a0 kernel/task_work.c:164 tracehook_notify_resume include/linux/tracehook.h:189 [inline] exit_to_user_mode_loop+0x106/0x130 kernel/entry/common.c:175 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:208 __syscall_exit_to_user_mode_work kernel/entry/common.c:290 [inline] syscall_exit_to_user_mode+0x5d/0x250 kernel/entry/common.c:301 do_syscall_64+0x49/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7f0efdb99d5a Code: 48 3d 00 f0 ff ff 77 48 c3 0f 1f 80 00 00 00 00 48 83 ec 18 89 7c 24 0c e8 03 7f 02 00 8b 7c 24 0c 89 c2 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 36 89 d7 89 44 24 0c e8 63 7f 02 00 8b 44 24 RSP: 002b:00007fffedeb5ed0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 0000000000000007 RCX: 00007f0efdb99d5a RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000006 RBP: 0000000000000bea R08: 0000001b2f620000 R09: 00000000000002dd R10: 0000000081a6f5ad R11: 0000000000000293 R12: 00007f0efd71da80 R13: ffffffffffffffff R14: 00007f0efd71d000 R15: 0000000000017e7b