On Tue, Mar 26, 2024 at 11:15:47PM +0100, Jakub Sitnicki wrote: > On Mon, Mar 25, 2024 at 01:23 PM +01, Jakub Sitnicki wrote: > > On Sat, Mar 23, 2024 at 12:08 AM -07, Alexei Starovoitov wrote: > >> It seems this bug was causing multiple syzbot reports. > > Any chance we could disallow mutating sockhash from interrupt context? > > I've been playing with the repro from one of the other reports: > > https://lore.kernel.org/all/CABOYnLzaRiZ+M1v7dPaeObnj_=S4JYmWbgrXaYsyBbWh=553vQ@xxxxxxxxxxxxxx/ Possibly also related: - "A potential deadlock in sockhash map"[1] report awhile back - commit ed17aa92dc56b ("bpf, sockmap: fix deadlocks in the sockhash and sockmap") - commit 8c5c2a4898e3d ("bpf, sockmap: Revert buggy deadlock fix in the sockhash and sockmap") 1: https://lore.kernel.org/all/CABcoxUayum5oOqFMMqAeWuS8+EzojquSOSyDA3J_2omY=2EeAg@xxxxxxxxxxxxxx/