Michal Schmidt 5a40f8af2b benet: fix BUG when creating VFs ... benet crashes as soon as SRIOV VFs are created: kernel BUG at mm/vmalloc.c:3457! Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI CPU: 4 UID: 0 PID: 7408 Comm: test.sh Kdump: loaded Not tainted 6.16.0+ #1 PREEMPT(voluntary) [...] RIP: 0010:vunmap+0x5f/0x70 [...] Call Trace: <TASK> __iommu_dma_free+0xe8/0x1c0 be_cmd_set_mac_list+0x3fe/0x640 [be2net] be_cmd_set_mac+0xaf/0x110 [be2net] be_vf_eth_addr_config+0x19f/0x330 [be2net] be_vf_setup+0x4f7/0x990 [be2net] be_pci_sriov_configure+0x3a1/0x470 [be2net] sriov_numvfs_store+0x20b/0x380 kernfs_fop_write_iter+0x354/0x530 vfs_write+0x9b9/0xf60 ksys_write+0xf3/0x1d0 do_syscall_64+0x8c/0x3d0 be_cmd_set_mac_list() calls dma_free_coherent() under a spin_lock_bh. Fix it by freeing only after the lock has been released. Fixes: 1a82d19ca2 ("be2net: fix sleeping while atomic bugs in be_ndo_bridge_getlink") Signed-off-by: Michal Schmidt <mschmidt@redhat.com> Reviewed-by: Nikolay Aleksandrov <razor@blackwall.org> Link: https://patch.msgid.link/20250801101338.72502-1-mschmidt@redhat.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>		2025-08-04 17:17:31 -07:00
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benet	benet: fix BUG when creating VFs	2025-08-04 17:17:31 -07:00
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