------------[ cut here ]------------ WARNING: CPU: 0 PID: 4376 at net/ceph/messenger_v2.c:2940 populate_in_iter net/ceph/messenger_v2.c:2940 [inline] WARNING: CPU: 0 PID: 4376 at net/ceph/messenger_v2.c:2940 ceph_con_v2_try_read+0x5c10/0x5d80 net/ceph/messenger_v2.c:2970 Modules linked in: CPU: 0 PID: 4376 Comm: kworker/0:3 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026 Workqueue: ceph-msgr ceph_con_workfn pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : populate_in_iter net/ceph/messenger_v2.c:2940 [inline] pc : ceph_con_v2_try_read+0x5c10/0x5d80 net/ceph/messenger_v2.c:2970 lr : populate_in_iter net/ceph/messenger_v2.c:2940 [inline] lr : ceph_con_v2_try_read+0x5c10/0x5d80 net/ceph/messenger_v2.c:2970 sp : ffff800021357780 x29: ffff800021357ad0 x28: dfff800000000000 x27: ffff800021357860 x26: 00000000000000f8 x25: ffff0000d270c440 x24: ffff0000d270ca10 x23: 0000000000000000 x22: 1fffe0001a4e18d8 x21: ffff0000d270c6c0 x20: ffff0000d270c428 x19: ffff70000426af0c x18: 1fffe00033e7277e x17: ffff80001537d000 x16: ffff8000082dd244 x15: 0000000000000000 x14: 0000000000000006 x13: 0000000000000000 x12: 0a32762068706563 x11: ff008000117e877c x10: 0000000000000000 x9 : ffff8000117e877c x8 : ffff0000ce4dd400 x7 : 0000000000000000 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000000 x2 : ffff0000d270c6d8 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: populate_in_iter net/ceph/messenger_v2.c:2940 [inline] ceph_con_v2_try_read+0x5c10/0x5d80 net/ceph/messenger_v2.c:2970 ceph_con_workfn+0x16c/0xdcc net/ceph/messenger.c:1503 process_one_work+0x7e4/0x13bc kernel/workqueue.c:2292 worker_thread+0x8cc/0xfe8 kernel/workqueue.c:2439 kthread+0x254/0x2e0 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 70504 hardirqs last enabled at (70503): [] __local_bh_enable_ip+0x1f8/0x37c kernel/softirq.c:426 hardirqs last disabled at (70504): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (70502): [] spin_unlock_bh include/linux/spinlock.h:396 [inline] softirqs last enabled at (70502): [] release_sock+0x16c/0x1bc net/core/sock.c:3531 softirqs last disabled at (70500): [] spin_lock_bh include/linux/spinlock.h:356 [inline] softirqs last disabled at (70500): [] release_sock+0x34/0x1bc net/core/sock.c:3518 ---[ end trace 0000000000000000 ]--- libceph: mon0 (2)127.0.0.1:6789 read processing error libceph: mon0 (2)127.0.0.1:6789 socket closed (con state V2_BANNER_PREFIX)